This week I'm going to briefly explain Companions and their history, and dive into the major problems they've created for Wizards of the Coast since their inception, culminating in the most recent Banned & Restricted announcement just last week
(2005-08-01) Affected spells, cards, and creatures lose all of their other creature types
That Army pays off not just with combat damage, but also the Ring's temptation anytime the Army deals damage to a player
Najeela with Gaea's Cradle
Regal Caracal Did you mention lifegain? 5 power and toughness among three bodies is good and you can gain a bunch of life with Regal Caracals cats
Muxus, Goblin Grandee Muxus, Goblin Grandee is leveraged over Krenko, Mob Boss despite them both being a 4-of in Emma Handy's wonderful Goblin deck because without Muxus, the deck would not have a taller finisher when going wide, and thus it would flounder against stax effects that discourage attacking