mtg cards that make all creatures one type Unctus, Grand Metatect (Promo Pack) (Phyrexia: Will Be One) | Promo Magic The Gathering Phyrexia All

By the time you have seven mana to transform, your opponent should be ready to win the game

Its a bonkers setup for a deck with so many White/Black spells

Sven Stolz Unholy Heat has to be one of the stronger and more meta defining printings for Modern since MH2

You get a full two turns to play these cards so the impulse effect is fairly lenient and because at the time of writing this card has been recently printed, it's very accessible too, much cheaper than the identical Reckless Impulse

I bet you wouldn't be so smug if you'd put two counters on your Pursuit of Knowledge only to have it Disenchanted

#2 Gotta be And These are, similarly to the OP's, two lands from the same set