Wan Shi Tong gives you an outlet for any excess mana in the late game, as well as an ideal card to hold up alongside interaction early to mid
: Level 2 When this Class becomes level 2, draw two cards
Arixmethes, Slumbering Isle 2GU Legendary Creature Kraken 12/12 Arixmethes, Slumbering Isle enters the battlefield tapped with five slumber counters on it
Chefs Kiss (no, not that !) I LOVE GOLD Fevered Suspicion Holy
2 - Battle Compressor Team Flare Gear This card saw play with Night March and Mad Party decks, and it also has synergy Mewtwo & Mew-GX UNM 71 due to discarding EX and GX-type Pokmon from the deck, and also with Rain Dance decks that discarded Blastoise BCR 31 to create the Archie's Ace in the Hole PRC 124 combo
Neither are going to feel like the most efficient thing in the world in most cases You have to pay 4 total mana to mill three and draw a card with Flotsam, and Jetsam isnt usually going to give you back the mana you spent, and if either of this card was only one or the other it would be too narrow and mediocre