Ileyria, Fel Arsonist

Whenever you pay life, deal half as much damage rounded down to any target.
{b}, pay 2 life: Ileyria, Fel Arsonist gains death-
touch until end of turn.
{r}, pay 2 life: Ileyria, Fel Arsonist gains first strike until end of turn.
Pay 4 life: Target creature must block Ileyria, Fel
Arsonist this turn if able to.