Origin of Metalbending (TLA) #187 [EN/N]

{1}{G} · Instant — Lesson · Choose one — • Destroy target artifact or enchantment. • Put a +1/+1 counter on target creature you control. It gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) · Metal is just earth that has been purified and refined. · Illustrated by Pauline Voss · Avatar: The Last Airbender #187 · EDHREC rank 2109 · Magic: The Gathering, MTG