cait sith mtg card [Opus I] Cait Sith LB - Hidden

Thats doable in 60-card formats by playing four copies but its very hard

Are you benefitting a lot by slapping this into the Ur-Dragon and getting to reduce your Commander just to tax

Raging Battle Mouse can't reduce its own cost, even if it's the second spell you cast in a turn

Keeper of Keys Most monarch cards care about accruing value or punishing your opponents for taking the monarchy, but Keeper of Keys takes a far more aggressive approach with its unblockable ability

The Wizards are certainly out in force

It goes from 0 to 40 out of nowhere, generating absurd amounts of mana when paired with the right burn spells or attackers