Mawhett, Elven Lifemage

+1: Create a 0/1 green Elf Druid creature token with "Tap: Add 1 Green mana to your mana pool."
+1: Create a 0/1 white Elf Priest creature token with "Tap: Add 1 White mana to your mana pool."
-8: For each Elf creature you control, create a token that's a copy of it. Those tokens gain haste. Exile those tokens at the next end step.