Gadrak, the Crown-Scourge (Promo Pack) [Core Set 2021 Promos] Standardbrawl You may cast instant and

You may cast instant and sorcery spells with mana value X or less from among them without paying their mana costs

but the cause of the rumblings turned out to be much more benign and bizarre

you may attach any number of Auras and Equipment you control to target permanent or player

Set: Zendikar Rising Prerelease Promos Type: Instant // Land Rarity: Rare Cost: {2}{R} Put any number of cards from your hand on the bottom of your library

Gadrak, the Crown-Scourge (Promo Pack) [Core Set 2021 Promos] Standardbrawl You may cast instant andSet: Core Set 2021 Promos Type: Legendary Creature Dragon Rarity: Rare Cost: {2}{R} Flying Gadrak, the Crown Scourge can't attack unless you control four or more artifacts. At the beginning of your end step, create a Treasure token for each nontoken creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")