Kaien, Speaker of Dreams

Flying
At the beginning of each player’s upkeep, that player reveals the top card of their library.
They may draw it.
Whenever an opponent draws their second
card each turn, you may choose one:
•You gain 3 life.
•Create a 1/1 green and blue Elf Warrior creature token with reach.
•Put a +1/+1 counter on target Elf.