Cloud, Ex-SOLDIER Its very hard to judge Cloud, Ex-SOLDIER and his Limit Break deck before looking at the cards he comes from
Steelburr Champion is an example of how this deck tries to lean into the counters subtheme, growing larger with each noncreature spell an opponent casts
So if you like Yargle, Glutton of Urborg, then that is your commander, if you like Tymna and Thrasios, then there is your commander
The combination of Amber and Amethyst creates a lot of potential for interesting deck designs, but if you want to prioritize the Madrigal typal, it's best to hone in on the most important, useful Madrigals, and then fill the deck out with stronger strategies.
Plague Mare is obviously not as good, as its a 2/2 instead of a 3/3 with first strike, and it doesnt deal damage to the opponent or planeswalkers they control, but it does have some upside
With this enchantment in play, an Elf deck can make twice as many Elf creature tokens at a time