The Rack [Antiquities] Zombie Giant It has "Sacrifice this creature:

It has "Sacrifice this creature: Add {C}

Set: Beta Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

Set: Onslaught Type: Enchantment Rarity: Rare Cost: {2}{G} Whenever you cast an enchantment spell

{T}: Target land becomes a Forest until Gaea's Liege leaves the battlefield

Allosaurus Rider's power and toughness are each equal to 1 plus the number of lands you control

The Rack [Antiquities] Zombie Giant It has "Sacrifice this creature:Set: Antiquities Type: Artifact Rarity: Uncommon Cost: {1} As The Rack enters the battlefield, choose an opponent. At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand. Invented in Mishra's earlier days, the Rack was once his most feared creation.