Criatura — Mantícora
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Quando Mantícora da Arena entrar no campo de batalha, coloque um marcador -1/-1 na criatura alvo que você controla. Mantícora da Arena causa 3 pontos de dano ao oponente alvo.
If you can't choose a target opponent when you put Manticore of the Gauntlet's triggered ability on the stack (most likely because your opponents have hexproof), the ability is removed from the stack and you won't put a -1/-1 counter on any creature.
If either target becomes illegal after Manticore of the Gauntlet's triggered ability is put onto the stack but before it resolves, the other is still affected as appropriate.