by ArkaneHunter on Sep 25, 2018
Alteran, the Grey Knight
+2: Create a 2/4 demon creature token with haste and menace.
+1: Reveal the top card of your library, you gain life equal to the converted mana cost of that card.
-7: You get an emblem with "As long as you control an Alteran planeswalker, Demons you control gain haste, menace, indestructible and flying."