Riot Control

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

Renounce

Sacrifice any number of permanents. You gain 2 life for each permanent sacrificed this way.

Rite of Harmony

Whenever a creature or enchantment you control enters this turn, draw a card.
Flashback {2}{G}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Reverent Mantra

You may exile a white card from your hand rather than pay this spell's mana cost.
Choose a color. All creatures gain protection from the chosen color until end of turn.