mtg amonkhet split cards Doing the Aftermath counter that spell if it has the same converted mana cost as the revealed card. History of Split Cards -

Tapping down 5 lands for 5 turns in a row to win with a Colonnade is a fairly common route to victory for conrtol decks already and that is a lot of turns without access to that much mana where things can go pear shaped for you

You may cast the creature later from exile.) Sorcery Standard Pioneer Alchemy Historic Timeless Competitive Brawl Historic Brawl Constructed Standard Stats 49.2% 0.1% 49.3% 370 Limited Wilds of Eldraine Stats 53.0% 3.1% 55.3% 430

You know the judge in the suit is actually Magic designer Mark Rosewater

Consider the fact that the book value for Underground Sea jumped from $500 to $900(!) back in May

And thats just looking at the hexproof part of the card