Her ETB will reliably draw a lot of cards combined with disguise (or with a lot of ordinary token generators), while her triggered ability ensures all your bears will grow up big and strong like their mama
Simple, effective, and easily one of the best Auras MTG has for dealing with sticky targets
Otherwise, the aim of this deck is to grow as far as you can, amassing creatures with huge numbers of counters to the point where your opponents are overwhelmed by their sheer power
Finally, I should point out that this is a perfect example of how decks in Tales of Middle-earth should definitely be looking to splash: both the UW and RW decks will be significantly improved by adding a couple of key uncommons from the third color. In particular, I think adding an aggressive Humans payoff like Erkenbrand can do wonders for the UW deck, but I wouldnt say no to extra flyers in RW either
This nine-mana artifact costs X less to cast, where X is the greatest power among creatures you control, and it can cost as little as two mana
AETHERDRIFT: RED Bursting onto the scene for red is the Boommobile