Centaur Garden (Dave Humpherys) [World Championship Decks 2003] Aura Curse Set: Kaladesh Inventions Type: Artifact

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} You may have Sculpting Steel enter the battlefield as a copy of any artifact on the battlefield

Set: Iconic Masters Type: Artifact Rarity: Uncommon Cost: {2} Whenever an opponent loses life

Set: Neo Genesis Unlimited Type: Lightning Rarity: Common Retreat cost: Colorless

Set: Amonkhet Prerelease Promos Type: Creature — Cat Rarity: Rare Cost: {3}{W}{W} Other Cats you control get +1/+1 and have lifelink

or Effect Monster

Centaur Garden (Dave Humpherys) [World Championship Decks 2003] Aura Curse Set: Kaladesh Inventions Type: ArtifactSet: World Championship Decks 2003 Type: Land Rarity: Uncommon {T}: Add {G}. Centaur Garden deals 1 damage to you. Threshold {G}, {T}, Sacrifice Centaur Garden: Target creature gets +3 +3 until end of turn. Activate only if seven or more cards are in your graveyard.