Thassa also works great with cards that have enter the battlefield triggers or might have other effects on them that might be preventing you from attacking or activating abilities
Just compare it to Path to Exile: you give your opponent a basic land
Absolute Virtue was conceived as the ultimate endgame boss, meaning that a lot of fans needed to play together to defeat it, but it was very difficult to beat and required many attempts and different strategies, changing over time as the game was patched
(Big Furry Monster, Right Side) Blacker Lotus Bureaucracy Burning Cinder Fury of Crimson Chaos Fire Cardboard Carapace Chicken la King Free-for-All Giant Fan I'm Rubber, You're Glue Incoming
On one hand, such a powerful card being so hard to get isnt great
Its important to note that just because a creature is colorless by game rules doesnt mean it doesnt also have a color identity