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Trample (This creature can deal excess combat damage to the player it's attacking.)
Whenever you attack, you may pay {1}{R}. When you do, target creature can't block this turn.
You don’t choose a target for Labyrinth Adversary’s last ability at the time it triggers. Rather, a second “reflexive” ability triggers when you pay {1}{R} this way. You choose a target for that ability as it goes on the stack. Each player may respond to this triggered ability as normal.
