It is a 15/15 for 15 mana with protection from colored spells, flying, and annihilator six
Planeswalkers need a few turns to be worth casting, but it's harder to defend planeswalkers in Commander than it is in 1v1 situations
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While they dont undergo quite as radical of a transformation as werewolves do, they do become more powerful at night, and they also get stronger the longer they live
Cliff (@WordOfCommander) has been writing for MTGPrice since 2013, and is an eager Commander player, Draft enthusiast, and Cube fanatic
I don't love sacrificing my permanents (ask me how I feel about annihilator) but there may be games where one of these play patterns makes sense