Magic The Gathering Dragon's Maze Spoiler - Legion Initiative

 

Magic The Gathering Dragon's Maze - Legion Initiative - Mythic Rare 

Enchantment 

Red creatures you control get +1/+0. 

White creatures you control get +0/+1. 

{R}{W}, Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gains haste until end of turn. 

Illustrator: Jaime Jones

Source: WOTC