mtg sacrifice a creature draw cards equal to its power (Collector's Edition) then discard three cards. Greater Good (#1087)

Believe it or not, The Aetherspark is currently the second most valuable card (non-foil, non-special printing) in the set

Sundering Titan was nixed from Commander for its oppressive mass land destruction potential

These were awesome centerpieces for a collector to have even if they weren't all that practical from a competitive viewpoint

And unleash the power of Kaldheims icy expanse with the return of Snow Lands and Saga cards

Acidic slime is a staple card in very many green decks

The other was that whenever you cast of spell of the card's other color, the creature gets an evergreen creature keyword tied to that second color