Pendrell Mists [Weatherlight]Set: Weatherlight Type: Enchantment Rarity: Rare Cost: {3}{U} All creatures have "At the beginning of your upkeep, sacrifice this creature unless you pay {1}." As insubstantialand as insistentas appetite.

create two 1/1 white Soldier creature tokens that are tapped and attacking

Set: Rise of the Eldrazi Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {11} When you cast this spell

untap Leviathan

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {W} Cast this spell only during combat before blockers are declared

"One for all

Wield your heart

Set: Legends Type: World Enchantment Rarity: Rare Cost: {2}{R} All creatures lose flying

Kongming and Lu Su tricked Wei troops into shooting over 100

and they can't attack you or a planeswalker you control

Set: Modern Masters Tokens Type: Emblem — Elspeth Rarity: Common Artifacts

where X is that creature's power

Yavimaya has its havens