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.

When Aven Cloudchaser enters the battlefield

Set: Hour of Devastation Type: Instant // Instant Rarity: Rare Cost: {3}{R} // {2}{U} Refuse deals damage to target spell's controller equal to that spell's converted mana cost

you may have target opponent discard a card at random

Set: The Dark Type: Enchantment Rarity: Rare Cost: {B}{B}{B} At the beginning of your upkeep

It knows nothing of Eldrazi or Planeswalkers

put a +1/+1 counter on Unruly Mob

Put the rest on the bottom of your library in any order

" —Cabal Patriarch

so I shall be the final subject

Set: Future Sight Type: Enchantment — Aura Rarity: Uncommon Cost: {1}{B} Enchant land

Set: Visions Type: Creature — Atog Rarity: Rare Cost: {1}{U} {0}: Chronatog gets +3/+3 until end of turn

Set: Champions of Kamigawa Type: Instant Rarity: Common Cost: {2}{B} Destroy target Spirit