When Palani's Hatcher enters the battlefield, you get to create two 0/1 green Dinosaur Egg creature tokens
It is mandatory, so if you're not careful you can lose a lot of life from Black Market Connections
Another option is an approach that incorporates the Cat-Oven combo: Creatures (28) 4 Gray Merchant of Asphodel 3 Midnight Reaper 4 Gutterbones 1 Orzhov Enforcer 1 Cavalier of Night 4 Rankle, Master of Pranks 4 Murderous Rider 3 Ayara, First of Locthwain 4 Cauldron Familiar Lands (26) Spells (6) This deck has fewer disruptive elements and is a bit worse at getting devotion, but its alternate plan with Cauldron Familiar, Witchs Oven, and Midnight Reaper can be quite strong, and its overall cheaper, which makes Castle Locthwain a little better
Eidolon of BlossomsEidolon of Blossoms 12
Lifespark Spellbomb Rarity: Common TYPE: Artifact SUBTYPE: - CMC: 1 Mana cost: USD: $0.13 EUR: 0.09 TIX: 0.03 EDHREC RANK: 21463 , Sacrifice this artifact: Until end of turn, target land becomes a 3/3 creature that's still a land