Treasure Heist XUU Sorcery (R) Gain control of up to one target artifact with converted mana cost X or less. If you cast this spell from your graveyard, exile this spell then put it onto the battlefield transformed. Flashback XRR // Fickle Djinn Color Indicator: Blue/red Creature - Djinn (R) Flying...

The card initially said "cast that card without paying its mana cost", but I'm not going to stop someone from paying half of their life total to play a discarded land instead of just playing it. It's not my job to tell you how to live your life.

Ruh roh

Sanguine Psychosis 2BR
Enchantment (R)
If you would discard a card, you may instead pay half your life total rounded up and exile it. When you do, you may play that card without paying its mana cost.

IIW: A creature card with a casting cost of UUR

I've been pretty happy with the spoilers so far. Not very many cards for my cube, but the set overall seems fun to draft.