Sweet-Gum Recluse is more restrictive, since you really want it to Cascade into a creature, but it has the side benefit of letting you play spider-politics
Ich-Tekik, Salvage Splicer Ich-Tekik, Salvage Splicer pairs with other artifact commanders, and until Meria, Scholar of Antiquity, it was one of the more common ways to get green in on the artifacts game
It knows that clerics can be black, that black effects destroy creatures, that clerics can be white, that white effects exile, and that clerics have interesting interactions with zombies
Seven mana (you're welcome Tron), seven loyalty, and when you cast it, you exile a permanent that is one or more colors
It plays well with cyclers, especially Vizier of Tumbling Sands to untap it
Nearby Planet (acorn) Land Rangeling (This card is every land type, including Plains, Island, Swamp, Mountain, Forest, Desert, Gate, Lair, Locus, and all those Urza's ones.) Nearby Planet enters the battlefield tapped