Chromium, the Mutable [Core Set 2019 Prerelease Promos] Premodern let A be that creature's

let A be that creature's power and B be that creature's toughness

Set: Pro Tour Collector Set Type: Creature — Bird Rarity: Rare Cost: {G} Flying

Set: New Phyrexia Type: Sorcery Rarity: Uncommon Cost: {2}{G}{G} Until end of turn

Set: Core Set 2019 Prerelease Promos Type: Legendary Planeswalker — Sarkhan Rarity: Mythic Cost: {1}{R}{R} +1: You may discard a card

"Getting into Malakir isn't difficult

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Premodern let A be that creature'sSet: 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.