Pendra, Rainbow Wisp

+1: Add X mana of any color to your mana pool, where X is the number of colors spent to cast this card divided by 2.
-3: Create a 3/3 elemental creature token with your choice of color (can't be colorless), it gains haste and trample until end of turn.
-10: Create a 4/4 angel creature token with flying, then tap up to 3 target creatures, then give all creatures you control haste until end of turn.