mtg green bounce cards Lands Dual Lands Full Set All 10 Magic Commander Landfall E — Gray Gauntlet Games MTG Cube: Top Sixteen Bounce

But if you leave a couple copies of Golgari Grave-Troll in your yard, you can restock with a quickness

Copy Land is a decent one because it enters as a land but doesn't count for your land for turn

Guiding Spirit for your spirit decks anyone

Unlicensed Hearse can shut down entire strategies like Greasefang, Okiba Boss decks or any Dreadhorde Arcanist strategy in the early game

Not sure if there are other easier avenues to obtain just the Transformers cards, but prepare yourself for a lot of pack ripping if you want to do it the old fashion way

That said, if you need marked cards for any of your work, that you don't want to baby and keep in pristine condition, THESE are the cards to get by the brick