mtg myriad cards LCI: The Everflowing Well The Pools (Artifact) Regular Rare 0056 When Myriad Construct becomes the target of a spell Rules Text: Myriad, 36 cards

Urza doesn't need to tap to do it, you can do it to artifact creatures with summoning sickness, you can do it to tokens

Riding the Dilu Horse ($580) A sorcery-speed Jump spell

Teferi, Time Raveler is the most powerful way to do this

His final ability is a -3 ability (meaning you can use it the turn Commodore Guff comes out) reads: You draw X cards and Commodore Guff deals X damage to each opponent where X is the number of Planeswalkers you control. Obviously, if you have a lot of Planeswalkers out, this is very strong

Growing Dread is a nice little low-to-the-ground engine piece, both giving you a face-down creature and sticking around to give you bonuses for a face-down strategy