Phyrexian Colossus

This creature doesn't untap during your untap step.
Pay 8 life: Untap this creature.
This creature can't be blocked except by three or more creatures.

Phyrexian Hulk

Pit Trap

{2}, {T}, Sacrifice this artifact: Destroy target attacking creature without flying. It can't be regenerated.

Rod of Ruin

{3}, {T}: This artifact deals 1 damage to any target.

Sisay's Ring

Sky Diamond

This artifact enters tapped.
{T}: Add {U}.

Soul Net

Whenever a creature dies, you may pay {1}. If you do, you gain 1 life.

Seventh Edition