Ugin, the Ineffable (Stained Glass) [Secret Lair Drop Promos] Zombie Assassin and lands you control have

and lands you control have indestructible

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Prerelease Promos Type: Legendary Planeswalker — Lolth Rarity: Mythic Cost: {3}{B}{B} Whenever a creature you control dies

[I] Exile all creatures with power 4 or greater

Set: Dominaria United Type: Creature — Merfolk Wizard Rarity: Rare Cost: {1}{U} Flash

making them ideal for data storage

Ugin, the Ineffable (Stained Glass) [Secret Lair Drop Promos] Zombie Assassin and lands you control haveSet: Secret Lair Drop Promos Type: Legendary Planeswalker Ugin Rarity: Rare Cost: {6} Colorless spells you cast cost {2} less to cast. +1: Exile the top card of your library face down and look at it. Create a 2 2 colorless Spirit creature token. When that token leaves the battlefield, put the exiled card into your hand. 3: Destroy target permanent that's one or more colors.