Vaevictis Asmadi, o Macabro
Criatura Lendária — Dragão Ancião
6 / 6
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Toda vez que Vaevictis Asmadi, o Macabro, ataca, para cada jogador, escolha uma permanente alvo que aquele jogador controla. Aqueles jogadores sacrificam aquelas permanentes. Cada jogador que sacrificou uma permanente desta forma revela o card do topo do próprio grimório e depois o coloca no campo de batalha se for um card de permanente.
If any player controls no permanents, Vaevictis's ability won't have sufficient legal targets, so it's removed from the stack without any effect.
If any of the target permanents aren't sacrificed (most likely because one of them became an illegal target, such as by gaining hexproof), that permanent's controller won't reveal the top card of their library or put it onto the battlefield.
Vaevictis's triggered ability resolves during the declare attackers step, before blockers are chosen. A creature targeted by its ability won't be around to block, and creatures put onto the battlefield with its ability may be able to do so.
You must target one of your permanents to sacrifice as well.