Anzrag, the Quake-Mole Bast, Panther Goddess Bhaal, Lord of Murder Esika, God of the Tree God-Eternal Rhonas Havi, the All-Father Inga and Esika Jorn, God of Winter Karametra, God of Harvests Klothys, God of Destiny Kolvori, God of Kinship Kruphix, God of Horizons Myrkul, Lord of Bones Nylea, God of the Hunt Nylea, Keen-Eyed Ojer Kaslem, Deepest Growth Pharika, God of Affliction Rhonas the Indomitable Sab-Sunen, Luxa Embodied Tiamat Tom Bombadil Xenagos, God of Revels
Red and black both have creatures that can be sacrificed for mana acceleration, such as Skirk Prospector, but you'll want to limit those creatures in favor of more reliable mana sources and larger creatures that Kaalia can take advantage of
You can exile a Pili-Pala or a Horseshoe Crab and turn Koh into an infinite mana outlet or a machine gun at instant speed
For example, the above Charizard card could be worth upwards of $5000 or more in perfect condition