Hangarback Walker [Kaladesh Inventions] Legendary Enchantment Creature that player owns Bronze Tablet

that player owns Bronze Tablet and you own the other exiled card

They found something far greater

Set: Beta Edition Type: Creature — Merfolk Rarity: Rare Cost: {U}{U} Other Merfolk get +1/+1 and have islandwalk

You may cast Gravecrawler from your graveyard as long as you control a Zombie

Hangarback Walker [Kaladesh Inventions] Legendary Enchantment Creature that player owns Bronze TabletSet: Kaladesh Inventions Type: Artifact Creature Construct Rarity: Mythic Cost: {X}{X} Hangarback Walker enters the battlefield with X +1 +1 counters on it. When Hangarback Walker dies, create a 1 1 colorless Thopter artifact creature token with flying for each +1 +1 counter on Hangarback Walker. {1}, {T}: Put a +1 +1 counter on Hangarback Walker.