mtg exile cards from the top of your library until One most busted keywords in Magic Let the Galaxy Burn (40K)

If you're casting a Room with escape, you choose which half to cast, then pay the appropriate cost plus exiling three cards

I do worry that there might be a bit too much tracking for a new player here, with multiple cards having multiple different types of counters, and a lot of moving counters back and forth between permanents

I'm curious if anyone has any custom graveyard-centric cards to share

These were heavily played in Standard for the duration of their legality, which also sees play in Modern and Pioneer too

Tax Collector gives you the choice of either increasing the cost of your opponent's spells on their next turn or blanking a creature until your next turn