First, mana rocks (artifacts that produce mana) help a lot
Caterpie evolves into Metapod and Butterfree, and those two tend to get more love than the little green caterpillar
Probably the best Gain Control of Target Creature spell because of the fact that it is instant speed and can be cast with Phyrexian mana means that you can even take advantage of this when it isnt your turn to attack
This version of granting Poison Counters is particularly feared in the Commander format
Using the Book of Vile Darkness in combination with the Hand and Eye of Vecna, you can call him forth as an 8/8 indestructible Zombie God who can draw you cards, create Zombie tokens, and buff himself or another creature once per turn
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Edgar, Master Machinist: You must still pay all costs and follow any timing restrictions and permissions for artifact spells you cast from your graveyard this way