Conclave Mentor
If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on that creature instead. When this creature dies, you gain life equal to its power.
Rulings (5)
Jun 23, 2020 · If a creature you control would enter the battlefield with a number of +1/+1 counters on it, it enters with that many plus one instead.
Jun 23, 2020 · Conclave Mentor's first ability doesn't apply to itself if it's somehow entering the battlefield with a +1/+1 counter on it.
Jun 23, 2020 · If two or more effects attempt to modify how many counters would be put onto a creature you control, you choose the order to apply those effects, no matter who controls the sources of those effects.
Jun 23, 2020 · Use Conclave Mentor's power as it last existed on the battlefield to determine how much life you gain.
Jun 23, 2020 · If you control two Conclave Mentors, the number of +1/+1 counters put on a creature is two plus the original number. Three Conclave Mentors add three, and so on.