Siren's Call [Revised Edition] U-MON258-RF −6: You get an emblem

−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}

gain 1 memory and ＜Draw 1＞

Whenever you cast a colorless spell with converted mana cost 7 or greater

Set: From the Vault: Exiled Type: Land Rarity: Mythic {T}: Add {C}

Siren's Call [Revised Edition] U-MON258-RF −6: You get an emblemSet: Revised 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.