Ability:Transmute

 Power sources: ✨Magical⛰️Primal🧙Nature Mage🌱Nature✨Spell

 Effect types: 🌳Transformation

 Delivery: 🔮Conjured🤲Self✳️Manifest

 Target: 🤲Self

 Casting time: 1️⃣Reaction( ↩️Reactive )

 Trigger: You would take a standard ability.

 Cost and components: ❤️Hack HP

 Duration: Instant.

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The triggering ability is "transformed" into a hack instead of its normal effect.