4 color mtg cards Omnath, Locus of All reveal that card Designing Commander (2016 Edition) |

At four mana, he can sit at the top of your mana curve, and if you manage to drop a haste enabler such as Goblin Warchief, you can start doubling your goblins straight away (which then also have haste to attack the turn they enter)

If you do, Thief of Existence gains "When this creature leaves the battlefield, target opponent draws a card." Thief of Existence's triggered ability will resolve before Thief of Existence does

Magic: The Gathering - Dominaria Remastered - Draft Booster Box Magic: The Gathering - Dominaria Remastered - Draft Booster Box Wizards of the Coast Please Note: This product is brand new & factory sealed

Also, even if you cannot remove all creatures, reducing their numbers makes it easier for Xande to get through