Underrealm Lich [Guilds of Ravnica Prerelease Promos] XY20 That creature attacks this turn

That creature attacks this turn if able

Set: Dark Revelation Volume 3 Card type: Fusion Monster Rarity: Rare Attack: 4200 Defense: 3700 "Big Koala" + "Des Kangaroo"

then this card gains 500 ATK for each

The Arbiter is a conduit of justice

Set: Kaladesh Prerelease Promos Type: Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flying

Underrealm Lich [Guilds of Ravnica Prerelease Promos] XY20 That creature attacks this turnSet: Guilds of Ravnica Prerelease Promos Type: Creature Zombie Elf Shaman Rarity: Mythic Cost: {3}{B}{G} If you would draw a card, instead look at the top three cards of your library, then put one into your hand and the rest into your graveyard. Pay 4 life: Underrealm Lich gains indestructible until end of turn. Tap it. "You've strayed, overworlder."