Crux of Mirrodin [Unknown Event] Chess but you probably want to

but you probably want to fit things together as tightly as possible

−6: Exile all cards from all graveyards

Set: Introductory Two-Player Set Type: Creature — Elf Rarity: Uncommon Cost: {3}{G}{G} Elven Riders can't be blocked except by Walls and/or creatures with flying

Each player may play lands and cast spells from among cards they exiled with Uba Mask this turn

Set: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {3} {4}

Crux of Mirrodin [Unknown Event] Chess but you probably want toSet: Unknown Event Type: Sorcery Rarity: Common Cost: {3}{W}{W} Choose one Destroy all nonland permanent cards originally printed in Mirrodin, Darksteel, Fifth Dawn, and Scars of Mirrodin expansions. Destroy all nonland permanent cards originally printed in the Mirrodin Besieged, New Phyrexia and Phyrexia: All Will Be One expansions.