Wrath of God [Beta Edition] Djinn sacrifice Koskun Falls unless you

sacrifice Koskun Falls unless you tap an untapped creature you control

Set: Coldsnap Type: Enchantment Rarity: Rare Cost: {1}{R} Cumulative upkeep—Add {R}

defending player sacrifices four permanents

Set: Antiquities Type: Creature — Treefolk Rarity: Rare Cost: {1}{G}{G} Gaea's Avenger's power and toughness are each equal to 1 plus the number of artifacts your opponents control

Set: Urza's Saga Type: Creature — Whale Rarity: Rare Cost: {5}{U}{U} When Great Whale enters the battlefield

Wrath of God [Beta Edition] Djinn sacrifice Koskun Falls unless youSet: Beta Edition Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures. They can't be regenerated.