Some LGSs that run tournament casual Commander nights (which is a far better oxymoron than jumbo shrimp) restrict the number of proxies you can have to keep things fair, and Im sure there are pods that condone proxies under specific circumstances only
Countering a five or six mana Commander with this feels criminal, and if you can follow it up by dumping your hand into play, well youre in great shape
Yes it saves mana on mutagens, but cracking clues for , incubator tokens for , landers for , or blood tokens as free rummages
Between card draw, ramp, and providing buffs, The Great Henge does it all and it does it very well
This efficient card can go wide either to sacrifice lots of Rats to creatures like Redcap Gutter-Dweller, or keep those Rats for once and attack with them