This is a brand new cube!

Desert Cube
8 copies of each basic snow land, including snow wastes from Modern Horizons 3.
2 copies of each desert land that produce mono-color mana from Hour of Devastation.
1 copy of each desert land that produce dual-color mana from Outlaws of Thunder Junction.

The only lands in your deck are the ones you draft.

Creatures
The only creature spells in this cube are creatures with mutate and phantasms.

Mistmorph
All cards have Mistmorph:
Mistmorph (You may cast this card face down as a 2/2 creature for . Turn it face-up at any time by paying it's mana cost and paying any additional costs, if any. If it's a permanent, it becomes that permanent. If it's a non-permanent, it is cast for the cost that you paid for turning it face-up or for free if it has no costs).

Mistveil

All players have the Mistveil emblem:
Once during your turn, if you control no creatures, you can set a card from your hand onto the battlefield, face-down as a 2/2 creature. (Turn it face-up and play it at any time. If it's a land it becomes a land, if it's a spell cast it by paying it's costs or for free if it has no costs)., this action does not use the stack, and does not trigger or activate any effects.

Professor Teklovossen - Blue Artifact Tron
Ira, Crimson Haze - Blue/Black/Red Ninja/Rogues
Brevant, Civic Protector - White/Black/Green Knights
Melody, Sing-along - White/Red/Green Group-hug