Hangarback Walker [Kaladesh Inventions] Ultimate Masters Box Topper such as Chopper

such as Chopper

Exile any number of historic cards from your graveyard with total mana value 30 or greater: You get an emblem with "Creatures you control have base power and toughness 9/9

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos Type: Legendary Creature — Dragon God Rarity: Mythic Cost: {2}{W}{U}{B}{R}{G} Flying

Set: Secret Lair Drop Series Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Whenever you gain life

Then you gain 10 life if you control a creature with power 10 or greater

Hangarback Walker [Kaladesh Inventions] Ultimate Masters Box Topper such as ChopperSet: 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.