I recently started playing the modern Twiddle Storm deck. Just regular Izzet Storm, but instead of rituals and Manamorphose you use Twiddle effects to keep untapping Lotus Field.
My question is: When I splice Psychic Puppetry onto a second Psychic Puppetry card (which is on the stack). Do both tap/untap effects happen simultaneously, such that I cannot interact in between or could I use this trick to untap my Lotus Field twice?
I assume it does not work, because both tap/untap effects are on the same spell on the stack, so they should be resolved at the same time. I could probably untap Lotus Field twice, but not tap it in between, therefore this is useless in this scenario.
Do I understand the ruling correct?
It is probably the same question if one could interact between the multiple instances of Bounty Of Might +3/+3 on a creature, and I assume by the same reasoning this would not work.
My question is: When I splice Psychic Puppetry onto a second Psychic Puppetry card (which is on the stack). Do both tap/untap effects happen simultaneously, such that I cannot interact in between or could I use this trick to untap my Lotus Field twice?
They're sequential, not simultaneous, but you don't get a chance to do anything between those effects. (Bounty of Magic is the same way.)
608.2c The controller of the spell or ability follows its instructions in the order written. However, replacement effects may modify these actions. In some cases, later text on the card may modify the meaning of earlier text (for example, “Destroy target creature. It can’t be regenerated” or “Counter target spell. If that spell is countered this way, put it on top of its owner’s library instead of into its owner’s graveyard.”) Don’t just apply effects step by step without thinking in these cases—read the whole text and apply the rules of English to the text.
702.47b You can’t choose to use a splice ability if you can’t make the required choices (targets, etc.) for that card’s rules text. You can’t splice any one card onto the same spell more than once. If you’re splicing more than one card onto a spell, reveal them all at once and choose the order in which their effects will happen. The effects of the main spell must happen first.
608.2g If an effect gives a player the option to pay mana, they may activate mana abilities before taking that action. If an effect specifically instructs or allows a player to cast a spell during resolution, they do so by following the steps in rules 601.2a–i, except no player receives priority after it’s cast. That spell becomes the topmost object on the stack, and the currently resolving spell or ability continues to resolve, which may include casting other spells this way. No other spells can normally be cast and no other abilities can normally be activated during resolution.
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Why bother with mere rulings when so many answers can be found in the Rules?
The spliced Psychic Puppetry will gain the rules text of the splicing spell, so that here, its rules text is now effectively: "You may tap or untap target permanent. / Splice onto Arcane U / You may tap or untap target permanent. / Splice onto Arcane U" (C.R. 702.47b, 108.1). And each instruction in the spell is carried out one at a time, not simultaneously (C.R. 608.2c, 608.2f).
Even so, however, you can't tap Lotus Bloom for mana while the spliced Psychic Puppetry is resolving, because:
No player has priority to activate abilities while a spell or ability is resolving (C.R. 117.2e, 117.1b).
Psychic Puppetry is not asking you to pay mana while it's resolving (C.R. 605.3a).
My question is: When I splice Psychic Puppetry onto a second Psychic Puppetry card (which is on the stack). Do both tap/untap effects happen simultaneously, such that I cannot interact in between or could I use this trick to untap my Lotus Field twice?
I assume it does not work, because both tap/untap effects are on the same spell on the stack, so they should be resolved at the same time. I could probably untap Lotus Field twice, but not tap it in between, therefore this is useless in this scenario.
Do I understand the ruling correct?
It is probably the same question if one could interact between the multiple instances of Bounty Of Might +3/+3 on a creature, and I assume by the same reasoning this would not work.
They're sequential, not simultaneous, but you don't get a chance to do anything between those effects. (Bounty of Magic is the same way.)
Even so, however, you can't tap Lotus Bloom for mana while the spliced Psychic Puppetry is resolving, because: