Siren's Call [Collectors' Edition] Dinosaur Avatar Set: Avacyn Restored Type: Creature

Set: Avacyn Restored Type: Creature — Elemental Rarity: Rare Cost: {4}{R}{R}{R} When Tyrant of Discord enters the battlefield

then draws seven cards

target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1

Set: Planechase Type: Land Rarity: Uncommon {2}

Siren's Call [Collectors' Edition] Dinosaur Avatar Set: Avacyn Restored Type: CreatureSet: Collectors' 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.