Suddenly, decks that use Trash for Treasure and Krark-Clan Ironworks can just oops into 10 colorless mana, as if they needed the help
There are 36 MTG cards with Constellation these are the top 30 most-played
It can place damage counters on characters, which isnt damaging them, so it also gets around Resist keyword characters (Damage dealt is reduced)
Despite being the biggest mainline MTG set of all time, Wizards somehow managed to fit Foundations entire spoiler season into just one week
Also, check out this silly ruling from Thantiss Scryfall notes: Thantis, the Warweaver card rulings #8
It invalidated any creature deck that wasnt trying to go wide because it was the king, but thats no longer the case: Fate Reforged contained some nice Delve creatures for Modern