#4 Thinking on it, unless Venture Into the Dungeon has a strong effect, that is an extremely weak card
It reads that whenever Sidar Jabari deals combat damage to a player, return target knight creature card from your graveyard to the battlefield
You will also want these to have a good curve, favoring cheaper creatures over pricier ones so you can put more onto the board quickly
Card Name Omega, Heartless Evolution Mana Cost Type Legendary Artifact Creature Robot Rarity Uncommon rules Text Wave Cannon - When Omega enters, for each opponent, tap up to one target nonland permanent that opponent controls
They're all super strong in their respective archetypes, and will see wide adoption rates across the board
The Amass mechanic allows the player to create an Army creature token, which represents many creatures in one