If an effect instructs you to transform a modal double-faced card on the battlefield, it transforms only if its other face has a permanent type (that is, if its other face isn't an instant or sorcery)
First, lets look at this opening hand, on the play against Naya Runes: With most Mono-White decks, this hand would be bad it has nothing to do on Turns 1 and 2 and even your Turn 3 plays are reactive instead of proactive
Human and Scientist are subtypes, not card types
Tyvar Kell is a four mana Green Planeswalker card that passively gives all Elves you control the ability to tap to add one Black mana
Now, a couple of enablers I love: Emeria, the Sky Ruin ($10/$40) The foil price is a bit misleading, as theres very few NM foils around