2021-03-19 You can cast a spell using flashback even if it was somehow put into your graveyard without having been cast
Jill, Shiva's Dominant // Shiva, Warden of Ice Rarity: Rare TYPE: Legendary Creature // Legendary Enchantment Creature SUBTYPE: Human Noble Warrior // Saga Elemental CMC: 3 Mana cost: USD: $27.20 EUR: 20.08 TIX: 0.00 EDHREC RANK: 6353 (2/2) When Jill enters, return up to one other target nonland permanent to its owner's hand
While not available as a commander option, you can also speed up the ThreatenThreatens by combining this with Sigurd, Jarl of RavensthorpeSigurd, Jarl of Ravensthorpe, though you wouldn't be getting much utility out of Chapter IV
I also love including staple creatures to copy like Fanatic of Mogis, Priest of Urabrask, and Humble Defector
Once your Humans are all in play, you can clear the battlefield with Taunt from the Ramparts, goading all your opponents creatures and preventing them from being able to block, opening the way for your creatures to sweep through
The main reason I think this Minotaur kill is remotely close to reasonable is that Deathbellow War Cry is one set removed from Irencrag Feat