Urabrask and Koth

+2: Create a 3/3 red phyrexian rebel creature token.
-X: Add half X {r} rounded down to your mana pool. You don't lose this mana as steps and phases end. Creatures cast with this mana have haste.
-7: You get an emblem with "Player's can't sacrifice creatures or pay life as part of a spell or abilities cost."