Niv-Mizzet, Visionary (Borderless) [Foundations] Squirrel Beast When you cast a creature

When you cast a creature spell

Set: Commander Masters Type: Artifact Creature — Construct Rarity: Rare Cost: {4} No more than one creature can attack each combat

then destroy target creature of an opponent's choice

– 10x Hearthkyn Warriors

"Conquering your first world is the hardest

Niv-Mizzet, Visionary (Borderless) [Foundations] Squirrel Beast When you cast a creatureSet: Foundations Type: Legendary Creature Dragon Wizard Rarity: Mythic Cost: {4}{U}{R} Flying You have no maximum hand size. Whenever a source you control deals noncombat damage to an opponent, you draw that many cards. Those who interrupt the great scientist often find themselves testing the safety limits of his arcane inventions.