Heathcliff, Self-Seeker

Myriad, Haste

Whenever a creature with the same name as this one enters the battlefield under your control, each opponent creates a token copy, except it lacks this ability.

Whenever a creature with the same name as this one leaves the battlefield, put a +1/+1 counter on Heathcliff, Self-Seeker. If this creature was dealt combat damage by Heathcliff, Self-seeker, it's controller loses life equal to the amount of creatures with the same name that entered the battlefield this turn.