mtg mirrodin besieged card list Magic The Gathering Single Rare Black Suns Zenith 39 FOIL then discard a card Creeping Corrosion (MBS-078) - Mirrodin

Maestros Ascendancy is the Kess we have at home, but none the worse for it

That said, if Astrologians Planisphere is good enough to see Legacy success, its probably good enough to see success in other formats

Second Place Chalice of the Void Andrea Piemonti Before Modern Horizons, this card was played mostly X=1 and was a tool to beat Lava Spike decks, as well as some other aggro shells

It received a bit of an unintentional nerf recently

Finally, if youre building one for Commander or Brawl, then youll need one commander card plus either 99 cards for Commander and 59 for Brawl

Even before that, however, Eye of Nidhogg has been a fairly popular card in MTG Commander