Aasa Ryu, Father of Yosei

Flying, lifelink, prowess
Aasa Ryu, Father of Yosei can't be countered.
You may reveal this card from your opening
hand. If you do, at the beginning of the first upkeep, you gain 10 life.
At the beginning of your upkeep, if you control
a creature named Yosei, the Morning Star,
you gain 10 life.