Regirock, Stonewaken Golem

You may sacrifice a red creature you control while casting this card to pay for {3}.
Sandstorm At the beginning of each upkeep. Regirock, Stonewaken Golem deals 1 damage to each white, blue, black, and green creature.
{1}{r}: Target creature gets +0/+3 until end of turn. Activate this ability only once each turn.