It will check for a creature of power 4 or greater when it resolves. Wild Slash says damage can't be prevented, but in any case the Ferocious text would happen.
Ghitu War Pact1R
Enchantment - Tribal Warrior
When a creature enters the battlefield under your control, if it wasn't the first creature spell you cast this turn, you may have it fight target creature.
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It will check for a creature of power 4 or greater when it resolves. Wild Slash says damage can't be prevented, but in any case the Ferocious text would happen.
Enchantment - Tribal Warrior
When a creature enters the battlefield under your control, if it wasn't the first creature spell you cast this turn, you may have it fight target creature.