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They're trash cards on their own and I have yet to see anyone else play with them, but they have an interesting interaction with one card in particular that is heavily played in Commander: Nearly every Commander deck that runs black will run Urborg, Tomb of Yawgmoth, either for mana fixing and/or for its synergy with Cabal Coffers

Orim's Chant is the Legacy equivalent of Silence

The swirls of blue and orange with a hidden Greninja cameo in the reflection makes this card much more refined than the chaos in the sets name

The lowered starting life also means theres no special rule for commander damage in Duel Commander games