Guardians' Pledge [Magic 2012] Human Rebel Mercenary Set: Unlimited Edition Type: Artifact

Set: Unlimited Edition Type: Artifact Rarity: Rare Cost: {1} Creatures with power 3 or greater don't untap during their controllers' untap steps

Set: Commander Anthology Type: Creature — Insect Spirit Rarity: Rare Cost: {2}{G} Trample

Koth Type: Instant Rarity: Uncommon Cost: {W} Exile target creature

Splice onto Arcane—Sacrifice two Mountains

The perks aren't great

Guardians' Pledge [Magic 2012] Human Rebel Mercenary Set: Unlimited Edition Type: ArtifactSet: Magic 2012 Type: Instant Rarity: Common Cost: {1}{W}{W} White creatures you control get +2 +2 until end of turn. A dozen fighting for each other are worth a thousand fighting for themselves.