As Luck Would Have It [Unstable] Knight Ally Set: Battle for Zendikar Prerelease

Set: Battle for Zendikar Prerelease Promos Type: Creature — Vampire Rarity: Rare Cost: {4}{B}{B} Flying

where X is one plus the number of cards named Aether Burst in all graveyards as you cast this spell

Set: Alara Reborn Type: Creature — Elf Shaman Rarity: Common Cost: {2}{R}{G}{W} When you cycle Naya Sojourners or it dies

Set: Hour of Devastation Prerelease Promos Type: Creature — Jackal Wizard Rarity: Rare Cost: {1}{G} When Resilient Khenra enters the battlefield

Set: Tenth Edition Type: Creature — Phyrexian Minion Rarity: Rare Cost: {B} When Sleeper Agent enters the battlefield

As Luck Would Have It [Unstable] Knight Ally Set: Battle for Zendikar PrereleaseSet: Unstable Type: Enchantment Rarity: Rare Cost: {G} Hexproof Whenever you roll a die, put a number of luck counters on As Luck Would Have It equal to the result. Then if there are 100 or more luck counters on As Luck Would Have It, you win the game. (Count both rolls if you reroll a die.)