Rayquaza (11/20) [Black & White: Dragon Vault]Set: Black & White: Dragon Vault Type: Dragon Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless

Exile all nonland permanents that aren't legendary

−8: Search your library for any number of Dragon creature cards and put them onto the battlefield

At the beginning of your precombat main phase

Set: Commander 2016 Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {2}{R}{W} Indestructible

−3: You may put a Vampire creature card from your hand onto the battlefield

Set: XY: Ancient Origins Type: Fighting Rarity: Ultra Rare Retreat cost: Colorless

main phase

Set: Limited Edition Beta Type: Creature — Human Knight Rarity: Rare Cost: {2}{W}{W} {W}{W}

Set: Diamond & Pearl: Base Set Type: Water Rarity: Common Retreat cost: Colorless

It's found in the silence that follows

Set: Platinum: Supreme Victors Type: Colorless Rarity: Rare

if it wasn't put onto the battlefield with this ability