Polluted Mire

T: Add C. T: Add U or B. This artifact deals 1 damage to you.

T: Add CC. Activate only if you control five or more lands.

(T: Add W.)

(T: Add U.)

This land enters tapped. T: Add G, U, or R.

This land enters tapped. T: Add U, B, or R.

Destroy target creature. All creatures get -3/-3 until end of turn.

Guardian Protocols — 3B, Sacrifice this creature: Return all legendary creature cards from your graveyard to your hand.