I'm new here but when I tried to look it up I had no luck. I had a moment where one of my creatures had an ability that required him to tap to use this ability. My opponent had decided to use his creature's ability to untap my creature that was using said ability. I tried to tap my creature again afterwards seeing as it was now untapped and had nothing preventing it from it's activation cost(tapping) now. He said I couldn't do that. who was in the right?
It is a little hard to say for sure without knowing exactly what creatures we are talking about here, but if there's nothing else preventing your creature from tapping again you should certainly be able to activate his ability again as soon as you have priority.
Also note that the first activation will more than likely still be on the stack at this point, and will still resolve even if your creature gets untapped in the mean time.
Thank you for your reply, My Slimy Kavu's ability was "tap to turn target land into a swamp". I can't remember the name of his fairy, but it was able to tap to untap target creature. After he tapped to untap my Kavu, could I not just retap my Kavu to turn his land back into a swamp?
Even if he untaps your Kavu, its ability will still resolve after that, turning the land into a swamp. And now that the Kavu is untapped, you could activate the ability again, turning another land into a swamp.
First, I recommend using card tags. There is a shortcut icon for this when making a post - the icon that looks like a single card on the right of the tool bar.
Slimy Kavu's ability will turn a land into a Swamp until end of turn, regardless of what happens to the Kavu afterward. If you activate the ability and your opponent responds by untapping, killing, or otherwise removing the Kavu, it's ability will still resolve, and the land will still be a swamp for the remainder of that turn. If your opponent decides to untap the Kavu for some reason, you now have the option of activating it's ability again, and turning another land into a swamp for that turn.
The same concept applies to any {T} activation ability. Unless the effect is specifically dependent on the object remaining tapped (ex Vedalken Shackles), untapping or removing the card will not reverse the effect.
Thanks a lot people, I was thinking that as well but figured I would ask for others to confirm. So I now know that if someone untaps a creature using an ability, it does not prevent that ability...am I correct?
So I now know that if someone untaps a creature using an ability, it does not prevent that ability...am I correct?
Yeah, that's correct. Once something is put on the stack, it basically exists separately from its source. It will do what it's trying to do unless it gets countered, or its target(s) are no longer legal.
The only way to stop it is, you declare Slimy Kavu, then in response your oponnent activates an Icy Manipulator, thus tapping your creature before it's original effect is completed.
The only way to stop it is, you declare Slimy Kavu, then in response your oponnent activates an Icy Manipulator, thus tapping your creature before it's original effect is completed.
This is incorrect. A player can't respond to someone activating an ability by taking an action that would make them unable to pay the cost to activate it. As soon as someone begins to activate an ability, they go through the full process of activating it (including paying the cost) before anyone can respond. By the time players have priority again, Slimy Kavu is tapped and its ability is on the stack. Icy Manipulator won't have any effect on Slimy Kavu, much less its ability, if activated in response because the Kavu is already tapped.
The most common ways to stop an activated ability once it has been activated are either to counter the ability directly (using something like Stifle or Bind) or make the ability's targets illegal in response (for instance, if the target of Slimy Kavu's ability is a Darksteel Citadel, you could use Apostle's Blessing in response to give the Citadel protection from red.)
That wouldn't work, once he start activating kavu's ability he will tap it and its effect will go on the stack. At this point it doesn't matter what happens to the creature the ability stays.
If they try to tap it before hand, he could just activate it in response.
In short it is near impossible to stop someone from activating an ability if they can activate it at instant speed. The only way is either countering the ability or using something with split second.
Also note that the first activation will more than likely still be on the stack at this point, and will still resolve even if your creature gets untapped in the mean time.
Even if he untaps your Kavu, its ability will still resolve after that, turning the land into a swamp. And now that the Kavu is untapped, you could activate the ability again, turning another land into a swamp.
Here's a good explanation about how "The Stack" works. It's where all spells and (activated and triggered) abilities go when they're trying to do something.
Slimy Kavu's ability will turn a land into a Swamp until end of turn, regardless of what happens to the Kavu afterward. If you activate the ability and your opponent responds by untapping, killing, or otherwise removing the Kavu, it's ability will still resolve, and the land will still be a swamp for the remainder of that turn. If your opponent decides to untap the Kavu for some reason, you now have the option of activating it's ability again, and turning another land into a swamp for that turn.
The same concept applies to any {T} activation ability. Unless the effect is specifically dependent on the object remaining tapped (ex Vedalken Shackles), untapping or removing the card will not reverse the effect.
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Yeah, that's correct. Once something is put on the stack, it basically exists separately from its source. It will do what it's trying to do unless it gets countered, or its target(s) are no longer legal.
The most common ways to stop an activated ability once it has been activated are either to counter the ability directly (using something like Stifle or Bind) or make the ability's targets illegal in response (for instance, if the target of Slimy Kavu's ability is a Darksteel Citadel, you could use Apostle's Blessing in response to give the Citadel protection from red.)
If they try to tap it before hand, he could just activate it in response.
In short it is near impossible to stop someone from activating an ability if they can activate it at instant speed. The only way is either countering the ability or using something with split second.