Old One Eye
Legendary Creature — Tyranid
Trample
Other creatures you control have trample.
When Old One Eye enters, create a 5/5 green Tyranid creature token.
Fast Healing — At the beginning of your first main phase, you may discard two cards. If you do, return this card from your graveyard to your hand.
Mathias Kollros
Rulings
Old One-Eye's Fast Healing ability only triggers if it is in your graveyard at the beginning of your precombat main phase.
(wotc • 2022-10-07)
Opponents may respond to the Fast Healing ability after it goes on the stack, but they don't get the chance to cast spells or activate abilities between the time you have chosen to discard two cards and the time Old One-Eye is returned to your hand.
(wotc • 2022-10-07)
Rulings
Old One-Eye's Fast Healing ability only triggers if it is in your graveyard at the beginning of your precombat main phase.
(wotc • 2022-10-07)
Opponents may respond to the Fast Healing ability after it goes on the stack, but they don't get the chance to cast spells or activate abilities between the time you have chosen to discard two cards and the time Old One-Eye is returned to your hand.
(wotc • 2022-10-07)