Rooms were designed in such a way that you can use either half without wasting the other, so feel free to run out the Sauna on turn 5 and snipe something down with the Furnace later, or vice versa
I want to play a deck with cards that may not be great on their own, but stack up really favorably against the popular decks that I anticipate lots of people will be playing
In this case the dual-Ink cards can be stored together with the first Ink colour showing on the cards as the order of them is fixed
Contagion Clasp and Contagion Engine are the best ways to achieve that, but Bloom Hulk and Pollenbright Druid are on-theme proliferators
A 2/5 with flying, Cyclonus, the Saboteur connives when it deals combat damage to a player, letting you draw and then discard a card, and if its a nonland card, putting a +1/+1 counter on it