Hangarback Walker [Kaladesh Inventions] Mirrodin Besieged I always thought Unicorns were

I always thought Unicorns were fabulous monsters

Set: Pro Tour Promos Type: Legendary Creature — Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying

Set: Unlimited Edition Type: Instant Rarity: Rare Cost: {G} Look at the top three cards of target player's library

this heavenly incarnation embodies both fury and purity

You may cast a spell with mana value 5 or less from your hand without paying its mana cost

Hangarback Walker [Kaladesh Inventions] Mirrodin Besieged I always thought Unicorns wereSet: 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.