Siren's Call [Fourth Edition] Leviathan (You may sacrifice an artifact

(You may sacrifice an artifact or Goblin in addition to any other costs as you cast this spell

Set: Odyssey Type: Creature — Human Cleric Rarity: Common Cost: {2}{W} {T}: Prevent the next 2 damage that would be dealt to any target this turn

Set: Tenth Edition Type: Enchantment Rarity: Rare Cost: {1}{W}{W} Creatures you control get +1/+1

There the gwyllions dance

Reverse Type: Sorcery Trouble deals damage to target player equal to the number of cards in that player's hand

Siren's Call [Fourth Edition] Leviathan (You may sacrifice an artifactSet: Fourth 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.