Chromium, the Mutable [Core Set 2019 Prerelease Promos]

Chromium, the Mutable [Core Set 2019 Prerelease Promos]Set: Core Set 2019 Prerelease Promos Type: Legendary Creature Elder Dragon Rarity: Mythic Cost: {4}{W}{U}{B} Flash This spell can't be countered. Flying Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1 1, loses all abilities, and gains hexproof. It can't be blocked this turn.

You may repeat this process any number of times

a creature

exile Nissa

you may draw two cards

"I write upon clean white parchment with a sharp quill and the blood of my students

"My family protects all families

Set: Khans of Tarkir Prerelease Promos Type: Instant Rarity: Rare Cost: {R}{W} The next time a source of your choice would deal damage to you this turn

you win the game

{T}: Counter target activated ability from an artifact source unless that ability's controller pays {W}

Set: Portal Three Kingdoms Type: Sorcery Rarity: Rare Cost: {3}{B} You draw three cards and you lose 3 life

That land is a Swamp for as long as it has a mire counter on it

you may search your library for a basic Forest card