Yang Xaio Long

At the beginning of your first combat step, for each time Yang Xaio Long has received combat damage since your last turn, double her power until the start of your second main phase. Additionally, if Yang Xaio Long has taken combat damage three or more times since your last turn, she gains Double Strike until the start of your second main phase.
{r}: Yang Xaio Long gets +1/+0 until end of turn.