Tam, Mindful First-Year Simic (Green/Blue) Multicolor Matters Tam, Mindful First-Year is honestly absurd in the best way
Regenerating a creature won't save it from bounce spells or exile effects, but it does provide a one-time reprieve from damage and destroy effects, and Swarmyard gives you one shot per turn cycle
These are the two best colors in Foundations for one- and two-drop creatures, AND the best for combat tricks, so its fairly easy for this deck to get board advantage early
This wont matter as much in more casual formats, but in highly competitive arenas, a disabler like this is going to be hugely useful
This makes Meren popular among players like "aristocrat" builds and reanimation builds, which often prove quite powerful
Anyway, when Unglued came out, she was a little upset that the set was overrun with farm animals (you know cows and chickens and what not) yet had no pig