Onix (56/102) (Shadowless) [Base Set 1st Edition] World Championships 2004 Whenever an opponent casts a

Whenever an opponent casts a spell

Set: Prophecy Type: Instant Rarity: Uncommon Cost: {2}{U}{U} You may discard an Island card and another card rather than pay this spell's mana cost

Set: Avacyn Restored Type: Land Rarity: Rare As Cavern of Souls enters the battlefield

each player may pay any amount of mana

Set: Innistrad: Midnight Hunt Prerelease Promos Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{B} At the beginning of your end step

Onix (56/102) (Shadowless) [Base Set 1st Edition] World Championships 2004 Whenever an opponent casts aSet: Base Set 1st Edition Type: Fighting Rarity: Common Retreat cost: Colorless,Colorless,Colorless