mtg black cat cards Magic The Gathering - Mystery - Mana of any type can be spent to cast spells this way. Black Cat, Cunning Thief (PSPM)

Karmic Guide + Reveillark + Sac Outlet This combo can be performed with all pieces on the board and ordering the trigger pile of both cards can end the game depending on your sac outlet or even seek all creatures with 2 power from your graveyard, and enabling other combos in the process

The power delta is too wide here for me to include personally, and I've never loved the specific odds on this card

I know the ones run by 3/3 Elk and Maldhound do

K'rrik, Son of Yawgmoth was a fun surprise to open in these decks, as was the valuable and powerful Vorinclex, Monstrous Raider and Jace, The Perfected Mind with his text made out in Phyrexian