Tread Mill [Unstable] Centaur Cleric Set: Shadowmoor Type: Creature —

Set: Shadowmoor Type: Creature — Demon Dog Rarity: Rare Cost: {5}{B}{B} At the beginning of your upkeep

Sacrifice Viridian Scout: It deals 2 damage to target creature with flying

Set: Commander 2016 Type: Creature — Archon Rarity: Rare Cost: {6}{W}{W}{W} Flying

A master decoy can survive to do it again

Set: Aether Revolt Type: Instant Rarity: Common Cost: {2}{B} Target creature gets -2/-2 until end of turn

Tread Mill [Unstable] Centaur Cleric Set: Shadowmoor Type: Creature —Set: Unstable Type: Artifact Contraption Rarity: Common Whenever you crank Tread Mill, until end of turn, target creature gets +1 +2, gains vigilance, and becomes an artifact in addition to its other types.