Temple of Prosperity

At the beginning of your end step, you may pay {1}{g}. If you do, put a +1/+1 counter on target creature you control.
At the beginning of your end step, you may pay {1}{w}. If you do, you gain 3 life.
At the beginning of your end step, you may pay {2}{u}. If you do, you draw a card and then discard
a card.