Crux of Fate as an ultimate is cool and all, but Crux isnt out there auto-winning games or anything
Monument to Endurance Monument to Endurance has made a name for itself as a potent discard payoff
Maybe even that sweet game cube in the vintage video game room if its still there
It was in the design files for a while, where it assumed the playtest name layaway, which makes sense since its a mechanic where you can pay a chunk of the cost upfront
It is routinely a three mana Baneslayer Angel, and the disturb aura you get if it dies is arguably better as it gives the power and toughness bonus on top of what the creature already has as well as lifelink, flying, and essentially haste
2, T, Sacrifice Terrarion: Add two mana in any combination of colors to your mana pool