Unwinding Clock [Commander 2018]

Unwinding Clock [Commander 2018]Set: Commander 2018 Type: Artifact Rare Cost: {4} Untap all artifacts you control during each other player's untap step. "The partisans have unearthed a strange artifact. None know its origin, but it gives them hope of a life beyond." Elspeth's journal

If the player does

Set: Dominaria Promos Type: Legendary Creature — Human Artificer Mythic Cost: {2}{U}{R} Whenever you cast a historic spell

Legendary Land Rare Cost: {2}{G}

Set: Limited Edition Beta Type: Sorcery Rare Cost: {1}{U} Take an extra turn after this one

if only for a fleeting moment

His crime was silence

If those permanents are exchanged this way

Set: Limited Edition Alpha Type: Sorcery Uncommon Cost: {1}{B} Search your library for a card

If the second permanent refers to any kind of counter

sacrifice Hellspark Elemental

Target creature gets +X/+0 until end of turn

defender of its creatures