Say my opponent controls a Helm of Possession and has used it to gain control of my Dusk Urchins. I have a Mirage Mirror on the battlefield and pay to make it a copy of the Helm and then activate its ability to gain control of my Dusk Urchins. What happens at end of turn when the my Mirror ceases to be a copy of my opponent's helm? Would the control of Dusk Urchins revert back to its owner (me), or the previous player that controlled it? I think it would return to its owner.
You keep control of the Urchins until Mirage Mirror leaves the battlefield or becomes untapped. You activated the Mirror-Helm's ability to gain control, so the duration refers to the state of the Mirror. That it changes chararcteristics and loses the ability when the turn ends doesn't matter, it is still that same permanent, and the effect keeps track of it.
Assuming your opponent kept their helm tapped, the creature would revert back to your opponent when the mirage mirror became untapped, not when it stops being a helm.
Control changing effects are ruled by the most recently applied effect, but they do not erase the previously applied effects. If one is removed, the next most recent effect will determine control.
The "Helm of Possession" in "Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped." means "this object." When Mirage Mirror reverts to it's original form, or even copies something else, it's characteristics change but it remains the same game object.
Private Mod Note
():
Rollback Post to RevisionRollBack
To post a comment, please login or register a new account.
Former Rules Advisor
"Everything's better with pirates." - Lodge
(The Gamers: Dorkness Rising)
"Any sufficiently analyzed magic is indistinguishable from science."
(Girl Genius - Fairy Tale Theater Break - Cinderella, end of volume 8)
Control changing effects are ruled by the most recently applied effect, but they do not erase the previously applied effects. If one is removed, the next most recent effect will determine control.
The "Helm of Possession" in "Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped." means "this object." When Mirage Mirror reverts to it's original form, or even copies something else, it's characteristics change but it remains the same game object.