Rofellos, Grim Druid

+1: Add G. Spend this mana only to cast a permanent spell. Activate this ability only if Rofellos didn't enter the battlefield this turn.
-3: Exile up to one target artifact or enchantment. Exile up to one target card from a graveyard. Each opponent gains 4 life.
-5: Create a 2/2 green Elf Druid creature token with "When this creature enters the battlefield, draw a card," and "T: Add G."