Hero card

Overprotect

Instant

SpellUsed once: what it does depends on when you cast it

Needs: Valiant

Gives: Spells

Not in winning lists yet: read from the card text and the graph

Build a deck with Overprotect as the hero

Makes it work

Emberheart Challenger · Veteran Guardmouse · Whiskervale Forerunner · Nettle Guard · Mouse Trapper · Whiskerquill Scribe · Seedglaive Mentor · Flowerfoot Swordmaster

Benefits from it

Primeval Bounty · Aberrant Manawurm

Use instead if you don't have it

Blitzball Shot · Staggering Size · Fanatical Strength · Saved by the Shell · Biosynthic Burst · Water Wings

Cards in the meta that answer it

Countersculpt (Azorius Control) · Inevitable Defeat (4-Color Control) · No More Lies (Azorius Control) · We Say Thee Nay! (Dimir Aggro)