Grakmaw, Skyclave Ravager (Promo Pack) [Zendikar Rising Promos] Phyrexian Warrior and his echo remains

and his echo remains

Set: Streets of New Capenna Type: Instant Rarity: Common Cost: {1}{R} Target creature gets +4/+3 until end of turn

Set: Multiverse Legends Type: Legendary Creature — Merfolk Wizard Rarity: Rare Cost: {2}{U} This spell costs {1} less to cast for each artifact you control

Set: Innistrad: Double Feature Type: Sorcery Rarity: Common Cost: {W} Put a +1/+1 counter on target creature you control

The question is

Grakmaw, Skyclave Ravager (Promo Pack) [Zendikar Rising Promos] Phyrexian Warrior and his echo remainsSet: Zendikar Rising Promos Type: Legendary Creature Hydra Horror Rarity: Rare Cost: {1}{B}{G} Grakmaw, Skyclave Ravager enters the battlefield with three +1 +1 counters on it. Whenever another creature you control dies, if it had a +1 +1 counter on it, put a +1 +1 counter on Grakmaw. When Grakmaw dies, create an X X black and green Hydra creature token, where X is the number of +1 +1 counters on Grakmaw.