Kaylin, pact bearer

Whenever you cast an instant or sorcery, put a flower counter on Kaylin.
{g}, remove a flower counter from Kaylin: Target creature gets +1/+1 until end of turn.
{r}, remove X flower counters from Kaylin: Gain control of target creature with power equal to or less than X as long as you control Kaylin. Activate this ability only as a sorcery.