Stensia [March of the Machine Commander] Rhino Monk create a 1/1 colorless Thopter

create a 1/1 colorless Thopter artifact creature token with flying for each +1/+1 counter on Hangarback Walker

Suppressing Fire — Whenever Vanguard Suppressor deals combat damage to a player

Set: Commander 2017 Type: Enchantment Rarity: Uncommon Cost: {2}{G} Whenever a creature with power 3 or greater enters the battlefield under your control

but he's merely king of rot

Stensia [March of the Machine Commander] Rhino Monk create a 1/1 colorless ThopterSet: March of the Machine Commander Type: Plane Innistrad Rarity: Common Whenever a creature deals damage to one or more players for the first time each turn, put a +1 +1 counter on it. Whenever you roll {CHAOS}, each creature you control gains {T}: This creature deals 1 damage to target player or planeswalker until end of turn.