Siren's Call [Alpha Edition] Vanguard Set: Unlimited Edition Type: Creature

Set: Unlimited Edition Type: Creature — Troll Rarity: Rare Cost: {2}{R} Sedge Troll gets +1/+1 as long as you control a Swamp

that player reveals the chosen card

Set: HeartGold & SoulSilver: Undaunted Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: From the Vault: Exiled Type: Sorcery Rarity: Mythic Cost: {2}{U} As an additional cost to cast this spell

Set: Urza's Saga Type: Enchantment Rarity: Rare Cost: {1}{B}{B} Whenever a player casts a spell

Siren's Call [Alpha Edition] Vanguard Set: Unlimited Edition Type: CreatureSet: Alpha Edition Type: Instant Rarity: Uncommon Cost: {U} Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.