Sanctum of Eternity [Commander 2019] noPrice if Clockwork Beast attacked or

if Clockwork Beast attacked or blocked this combat

Each opponent's maximum hand size is reduced by seven

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

if Krovikan Horror is in your graveyard with a creature card directly above it

Set: Core Set 2020 Type: Creature — Elemental Knight Rarity: Mythic Cost: {2}{W}{W}{W} Vigilance

Sanctum of Eternity [Commander 2019] noPrice if Clockwork Beast attacked orSet: Commander 2019 Type: Land Rare Cost: {T}: Add {C}. {2}, {T}: Return target commander you own from the battlefield to your hand. Activate this ability only during your turn. Come and rest here, beyond the constraints of space and time.