The Multifaceted Phyrexian

Legendary Creature — Phyrexian Ninja - (rare)

Protection from Elk
Pay 1 life, Sacrifice another creature: Target creature an opponent controls becomes a 3/3 green Elk creature. (This effect lasts indefinitely.)
Fixed commander ninjutsu — , Discard a card (It's like commander ninjutsu, but the commander tax applies. Sorry but I learned from Yuriko.)