Siren's Call [Alpha Edition]Set: 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.

Set: Zendikar Type: Basic Land — Island Rarity: Common ({T}: Add {U}

Set: Khans of Tarkir Type: Creature — Human Monk Rarity: Rare Cost: {U}{R}{W} Flying

but a few measure everything

Set: Time Spiral Type: Land Rarity: Rare You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield

Set: Commander 2015 Type: Enchantment Rarity: Uncommon Cost: {3}{R}{R} Creatures named Lightning Rager can't attack you or planeswalkers you control

Set: Onslaught Type: Enchantment Rarity: Rare Cost: {2}{U} {1}: The next time you would draw a card this turn

Set: Modern Masters Type: Artifact Creature — Vedalken Artificer Rarity: Common Cost: {1}{U} Artifact spells you cast cost {1} less to cast

Whenever a creature deals combat damage to you

Set: World Championships 2007 Type: Colorless Rarity: Uncommon Retreat cost: Colorless

Sacrifice another Orc or Goblin: Other Orc creatures get +1/+1 until end of turn

Set: Alara Reborn Promos Type: Creature — Dragon Rarity: Mythic Cost: {2}{R}{R}{R}{G} Flying

flip two coins