An ideal mana curve favors cards that cost less mana to play, such as two to three, with cards requiring four, five, and six or more mana cards fewer in number
Then as your vehicles deal combat damage to your foes, you exile that many cards from their library and you can play them, although there is no mana-washing here, so in a mono-Blue deck you might find it rough to cast non-Blue, non-colorless cards
Meowth - Black Star Promo A majority of these cards were released exclusively in Japan
Initial data on Pete Bad Guy put it much higher up on this list of most valuable Rise of the Floodborn cards
Let me know in the comments below, or lets discuss it on Draftsim Discord
Did you like my attempt at a Simic flavored mill brew