Artefacto — Equipo
La criatura equipada obtiene +4/+0.
Al comienzo de tu paso final, si la criatura equipada no hizo daño de combate a una criatura este turno, sacrifícala.
Equipar

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Thirsting Axe’s triggered ability checks whether the creature it’s attached to at the moment your end step begins dealt combat damage to a creature earlier in the turn. It doesn’t matter whether Thirsting Axe was attached to it (or to any creature at all) as combat damage was dealt.