Kodama is one of those innocuous cards that doesn't look like much, but in the right deck, well, it can get out of hand pretty quickly
Artifact Color tag templates(None) Contagion Clasp When this artifact enters, put a -1/-1 counter on target creature
He pairs quite well with that Islands I Pulled From The Sea card as displayed in the starter decks for this set, particularly as he is likely to stay on the board for a while
The damage threshold is dependent on building a wider board, but this two-pronged attack can easily swing board advantage to Steels controlling player
The back face is even worse, comboing with Niv-Mizzet for an instant way to win or draw out your deck for Laboratory Maniac
Winter Moon is a lot fairer than Winter Orb, and though I think its pretty reasonable for mono-color decks to drop, the social contract is likely to keep it away from most tables