Muraganda Raceway and Temple of the False God are lands that normally have the drawback of not creating the color you want
And in a format where instant removal is at its worst, you have the power to simply end games on the spot with the four mana combo of Blitzball Shot into post-combat Self-Destruct
Might I suggest this card in a deck with a card like Camellia, the Seedmiser
In Magic's case, this is usually because they cost too much, so by the time you can cast it, you would already be ahead in the match
However, it's not the fun of the Double Feature format thats the biggest problem
Dark Ritual is among the most efficient rituals in the game and, as one of Magic's best black instants, still sees frequent play in decks willing to trade cards for mana, a trade unfair decks make willingly and effectively