The warriors she leads can rarely keep pace with her, and neither can the tales.

Anthousa, Setessan Hero

Heroic — Whenever you cast a spell that targets Anthousa, Setessan Hero, up to three target lands you control each become 2/2 Warrior creatures until end of turn. They're still lands.

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Heroic abilities will resolve before the spell that caused them to trigger.

Heroic abilities will trigger only once per spell, even if that spell targets the creature with the heroic ability multiple times.

Heroic abilities won't trigger when a copy of a spell is created on the stack or when a spell's targets are changed to include a creature with a heroic ability.

If a land that hasn't been under your control continuously since your last turn began becomes a creature, it can't attack and its activated abilities that include {T} can't be activated. Notably, it can't be tapped for mana that turn.