Manastorm

Create a 1/1 white soldier token if {w} was spend on Manastorm
Draw a card if {u} was spend on Manastorm
Target opponent discards a card if {b} was spend on Manastorm
Manastorm deals 2 damage to any target if {r} was spend on Manastorm
Prevent all combat damage this turn if {g} was spend on Manastorm