The One Ring Strixhaven destroy target nonland permanent that

destroy target nonland permanent that player controls

the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step

where X is the number of creatures you control with power 4 or greater

Whenever you cast a creature spell with power 5 or greater

The One Ring Strixhaven destroy target nonland permanent thatIndestructible 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.