This can create infinite combos with 0-mana cards, such as some of the most valuable or rarest Magic: The Gathering cards, like Mox Diamond
So, my evaluation comes from my own biases, which boil down to: play the sort of cards and decks that lets everyone at the table have a chance to breathe, play Commander, and have at least a decent chance to do the thing that their deck wants to do
Cost reduction is inherently good, plus many spellslinger decks want to cast a bunch of spells in one turn, which is easier to do when theyre all 1 mana cheaper
Titan of Littjara Titan of Littjara is the most expensive MTG Commander card in the Sliver Swarm Precon deck with a mana cost of 4UU
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