Legendary Creature - Druid Frog Commander (CTRL to add secondary) Artifact Agatha's Soul Cauldron You may spend mana as though it were mana of any color to activate abilities of creatures you control
It's also a really good followup to some early turn shenanigans with
12 Toxrill, The Corrosive The Board Is Yours Toxrill, the Corrosive is an incredibly powerful and self-sustaining Dimir (black and blue) commander that can be made all the more dangerous when backed up by an entire control deck
the hard part is the right variant (reverse holo, 1st Edition, Master Ball pattern)
Kosei, Penitent Warlord Many samurai commanders reward you when you attack alone, which causes problems in a multiplayer format
Warp Energy#123 Holo Warp Energy#123 Holo iWe may earn a commission from qualifying purchases through affiliate links at no extra cost to you