The Circle of Loyalty The Circle of Loyalty squeezes in some legendary text on what would otherwise be a strict knight payoff
If your deck cares about Investigation, even if youre not casting a ton of artifact spells, Forensic Gadgeteer is still worth considering
Carmen, Cruel Skymarcher, the decks alternative commander, offers recursion and has the potential to hit hard
The Maze doesn't take any mana to use, nor is in a color identity, but the Haven taps for mana so I consider them roughly equal
This green plant with eyes is in fact the creature with the highest standalone power in the entire history of Magic (we kindly ignore the parody card Infinity Elemental
It boasts a host of taxation (Ghostly Prison), prevention (Blazing Archon), and protection (Teferi's Protection) effects that make attacking you difficult, if not impossible