Siren's Call [Alpha Edition] Portal Three Kingdoms Promos Set: From the Vault: Twenty

Set: From the Vault: Twenty Type: Artifact Rarity: Mythic Cost: {3} Fading 4 (This artifact enters the battlefield with four fade counters on it

Does them some good if we smash one every so often

merely rumors of unearthly stealth

Target creature defending player controls can block any number of creatures this turn

Siren's Call [Alpha Edition] Portal Three Kingdoms Promos Set: From the Vault: TwentySet: 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.