Carrion Howler [Ravnica: City of Guilds] Shaman Goldvein Hydra enters the battlefield

Goldvein Hydra enters the battlefield with X +1/+1 counters on it

Set: Murders at Karlov Manor Commander Type: Legendary Creature — Human Druid Rarity: Rare Cost: {1}{G} Whenever you draw your second card each turn

Set: Kamigawa: Neon Dynasty Commander Type: Instant Rarity: Rare Cost: {X}{G} Put a +1/+1 counter on each of up to X target creatures you control

It's the lhurgoyf

Carrion Howler [Ravnica: City of Guilds] Shaman Goldvein Hydra enters the battlefieldSet: Ravnica: City of Guilds Type: Creature Zombie Wolf Rarity: Uncommon Cost: {3}{B} Pay 1 life: Carrion Howler gets +2 1 until end of turn. They chase tirelessly after the bone carts that speed along the streets of the Plague Quarter.