Ian, Verdant Sentinel

Vigilance
When Ian, Verdant Sentinel enters the battlefield,
each player discards a card.
Whenever a player discards a card, you may
choose one—
•{b}: Each opponent loses 1 life and you gain 1 life
•{1}{w}: Put a +1/+1 counter on each creature you control.
•{2}{g}: Create two 2/2 green Wolf Spirit
creature tokens.