Discover the Bladeborne

When Discover the Bladeborne enters the battlefield choose one—
Undying- Mill four cards. Return target creature
from your graveyard to the battlefield tapped.
Fervent- Put X +1/+1 counters on target creature
where X is the total mana value of commanders
you own.
Wise- Search your library for a creature or enchantment card, reveal it, put it into your
hand, shuffle.
{t}: Add {g}