mtg shrine cards card 'The Great Unbinding' explains creature type that player puts X 1/1 green Squirrel creature tokens onto the battlefield Shrine Steward | Kamigawa: Neon

Sisay, Weatherlight Captain is the most popular leader of this archetype, and I like that option

Scaling with the amount of Poison Counters on opponents, Phyrexian Swarmlord can create oodles of Phyrexian Insect Tokens

Toxic Pressure with Karumonix **Karumonix, the Rat King** gives all your Rats **toxic 1**, meaning every Rat that connects gives poison counters

It created a 2/2 Zombie whenever a player played a Land while having seven or more Lands with different names

Even better, it has the Hideaway ability, letting you dig five cards deep into your deck and tuck away a spell, ready to cast it for free later when you meet a particular criteria: in this case, having three creatures with different powers after you tap Collector's Cage