Sacrifice after V.) I, II, III, IV - Create three 2/2 white Knight creature tokens.V - Ultimate End - Other creatures you control get +2/+2 until end of turn
Being restricted to green doesn't do any harm here, as simple ramp spells like Entish Restoration can generate you the resources you need to throw down game-winning permanents early on
Credit: Wizards of the Coast Agrus Kos, Eternal Soldier FromTheShire: A super cool new Commander, Agrus does a similar thing to some other very fun Commanders we've gotten in the past, but resonating abilities across your whole team is something we haven't seen before
Commander Gale, Waterdeep Prodigy Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard
A threat/value-engine like Fable being this prevalent could be a problem, but the metagames seems to have adapted to survive it