The One Ring

Indestructible
When The One Ring enters, if you cast it, you gain protection from everything until your next turn.
At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring.
{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring.

Sheoldred, the Apocalypse

Deathtouch
Whenever you draw a card, you gain 2 life.
Whenever an opponent draws a card, they lose 2 life.

Defile

Target creature gets -1/-1 until end of turn for each Swamp you control.

Swamp

Sol Ring

Echoing Decay

Target creature and all other creatures with the same name as that creature get -2/-2 until end of turn.

Damnation

Destroy all creatures. They can't be regenerated.

Unwinding Clock

Untap all artifacts you control during each other player's untap step.