Enraged Chasmfiend

Double Strike, Hexproof, Haste, Reach,
Trample, Vigilance
When Enraged Chasmfiend enters the battlefield, create a Gemheart token for each nonbasic
land you control.(They're Colorless Artifact Tokens
with "{1}, Sacrifice this token: draw a card," and "{t}, Sacrifice this token: add one mana of any color.")
Enraged Chasmfiend can only attack alone.