mtg black card destroy artifact Gate to Phyrexia A mono black combo to

The creature has the myriad ability, which creates temporary token copies of itself when it attacks, so that every opponent has a version of The Master Multiplied coming at them

Rootwise Survivor's last ability doesn't have a duration, which means the land remains a creature indefinitely

Mindslicer is also a great way to rip through hands and fill graveyards, making it an all-star in a deck such as this

With PRISMATIC DEFENDER, you're not just sleeving trading cards

With other amass cards, sacrifice outlets, and proliferate, that 1/1 Zombie Army turns into a real creature that can pressure planeswalkers and trade with opposing creatures more often than you expect

Second, the life gain effect can actually be very relevant