Activate only if you control three or more artifacts
All this to say that once the TMNT is officially released, Jenova might become a deadly Commander for black-green decks that lean heavily on radical characters like Splinter, Shredder, and Michaelangelo
It stops almost everything attacking and it can do while attacking itself
In short: being able to keep Auras, Equipment, and counters on a creature, while simultaneously being able to dodge -X/-X, bounce, and exile wraths
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You could build a blink deck with them, but Im not convinced the juice is worth the squeeze here