Its the first thing everybody says when they give altering advice, but thats because its literally central to creating clean work
The possibilities with Mishras Workshop are incredible, especially if its your first turn
(You expend 4 as you spend your fourth total mana to cast spells during a turn.) Muerra, Trash Tactician One generic, one red, one green legendary creature Raccoon Warrior 2/4 Rare At the beginning of your first main phase, add one red or one green mana for each Raccoon you control
Legality depends on the tournament format -- Thallid Germinator can be legal in some formats and banned or restricted in others
I will be transparent and say that I believe if any of these are ever to return, the most likely one is Jeweled Lotus due to its one-shot nature, iconic feel, and ability to help support high-mana value commanders
I dont trust this breakdown very much for several reasons, but Im still going to use it, and Ill talk about why in a bit