Relentless Assault [Commander Legends] Squirrel Beast Kruphix isn't a creature

Kruphix isn't a creature

Set: Kaladesh Inventions Type: Artifact Mythic Cost: {1} Mana Vault doesn't untap during your untap step

Set: Zendikar Rising Prerelease Promos Type: Creature — Archon Rarity: Rare Cost: {2}{W} Flying

Set: Antiquities Type: Artifact Creature — Construct Rare Cost: {6} Flying Tetravus enters the battlefield with three +1/+1 counters on it

Relentless Assault [Commander Legends] Squirrel Beast Kruphix isn't a creatureSet: Commander Legends Type: Sorcery Rare Cost: {2}{R}{R} Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.