Tetravus [Antiquities] Modern Masters you control the player while

you control the player while that spell is resolving

Counter target spell if its mana value is X

Set: Sword & Shield: Crown Zenith Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

Set: Pokemon Futsal Collection Type: Fire Rarity: Promo Retreat cost: Colorless

Tetravus [Antiquities] Modern Masters you control the player whileSet: Antiquities Type: Artifact Creature Construct Rarity: Rare Cost: {6} Flying Tetravus enters the battlefield with three +1 +1 counters on it. At the beginning of your upkeep, you may remove any number of +1 +1 counters from Tetravus. If you do, create that many 1 1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted." At the beginning of your upkeep, you may exile any number of tokens created