Chromium, the Mutable [Core Set 2019 Prerelease Promos] Legendary Planeswalker Her diligence in pursuing both

Her diligence in pursuing both is her greatest asset

then draws that many cards

return it to its owner's hand

At the beginning of the upkeep of enchanted enchantment's controller

divining their secrets

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Legendary Planeswalker Her diligence in pursuing bothSet: 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.