Jugan, the Rising Star

Flying
When Jugan, the Rising Star dies, you may distribute five +1/+1 counters among any number of target creatures.

Keiga, the Tide Star

Flying
When Keiga, the Tide Star dies, gain control of target creature.

Flying
When Ryusei, the Falling Star dies, it deals 5 damage to each creature without flying.

Flash
This spell can't be countered.
Creature spells you control can't be countered.
Other creatures you control have trample.