Siren's Call [Beta Edition] Pauper Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Artifact Rarity: Rare Cost: {5} The "legend rule" doesn't apply

Shuffle Green Sun's Zenith into its owner's library

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {3}{U}{U} You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost

Creatures the active player controls attack this turn if able

Each player who doesn't win the subgame loses half their life

Siren's Call [Beta Edition] Pauper Set: Betrayers of Kamigawa Type:Set: Beta 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.