Reignmare, Noble Guardian

{t}: Horse, Unicorn, and Pegasus creatures you control get +1/+1.
{r/g}, sacrifice a creature: Target Horse, Unicorn, or Pegasus creature you control gains trample or first strike until end of turn.
{u/b}, sacrifice a creature: Target Horse, Unicorn, or Pegasus creature you control gains lifelink or menace until end of turn.