Because as much as its a powerful card, I dont really think its a well designed one
It's just one step from adding Tarmogoyf to "Maybe I could play Siege Rhino, too..." and then suddenly this slippery slope doesn't look so much like an Elf deck anymore at all
It reads, At the beginning of combat on your turn, equipped creature or a creature you control named Vecna gets +X/+X until end of turn, where X is the number of cards in your hand. Finally, The Book of Vile Darkness is a three mana Black Artifact that lets you create a 2/2 Zombie token if you lost two or more life in your turn
Trazyn the Infinite This six-mana 4/6 legendary mono-Black option is behind the curve and rocks deathtouch with one other ability
Lotus Field Lotus Field gives you a well-protected mana source, at a cost
Counters are the third thing that makes a creature modified, but Chishiro only puts them onto creatures that are already modified