Amulet Titan is considered one of the most complicated decks (if not the most complicated deck) to play in the format, so mostly only hardcore aficionados with many reps under their belt dare to touch the deck
The cost of discarding a card can also be a great way to get a big creature out of your hand for a cheaper reanimation spell, allow you to set up evasion with a creature like Filth, or just turn that land you dont need on turn 10 into whatever the biggest threat in your graveyard is instead
Anything that hits wider is useful, and Riddlekeeper could be a player in your Bruvac the Grandiloquent, Szadek, Lord of Secrets, or whatever mill commander you're running
Comparing Releases Release Dates Pokmon releases tend to become available in the Japanese market several months before the official English release
Note that all this colors mattering made the multicolor nature of hybrid cards matter in a way that it hadn't before
Shocked the Milotics pop is so low