Aggron (2/92) [EX: Legend Maker] Wall Set: Mystery Booster Type: Artifact

Set: Mystery Booster Type: Artifact Rarity: Rare Cost: {1} Whenever a permanent enters the battlefield tapped and under your control

Set: World Championship Decks 2000 Type: Instant Rarity: Common Cost: {1}{U} You may return an Island you control to its owner's hand rather than pay this spell's mana cost

and Unicorns you control get +1/+1

but there's little we can do about the smell

Set: Sun & Moon: Lost Thunder Type: Water Rarity: Secret Rare Retreat cost: Colorless

Aggron (2/92) [EX: Legend Maker] Wall Set: Mystery Booster Type: ArtifactSet: EX: Legend Maker Type: Metal Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless,Colorless