Retether [Planar Chaos] Historicbrawl then sacrifice it unless you

then sacrifice it unless you pay its upkeep cost for each age counter on it

sacrifice Phantasmal Forces unless you pay {U}

Set: Dominaria Prerelease Promos Type: Legendary Artifact Rarity: Mythic Cost: {0} {T}: Add one mana of any color among legendary creatures and planeswalkers you control

" —Crovax

If there are no mining counters on Gemstone Mine

Retether [Planar Chaos] Historicbrawl then sacrifice it unless youSet: Planar Chaos Type: Sorcery Rarity: Rare Cost: {3}{W} Return each Aura card from your graveyard to the battlefield. Only creatures can be enchanted this way. (Aura cards that can't enchant a creature on the battlefield remain in your graveyard.) The rifts reach into infinite time streams, bringing the divergent products of alternate pasts into the present.