No more than two of any card other than basic energy in a deck
All it takes is a blue player at the table to start drawing you into glory
Cabal Ritual and Dark Ritual Speaking of efficient mana acceleration, you dont get much better than the rates offered by Cabal Ritual and Dark Ritual
Ghost Belle & Haunted Mansion Ghost Ogre & Snow Rabbit Dinowrestler Pankratops Alpha, the Master of Beasts Lava Golem Nibiru, the Primal Being Nibiru, the Primal Being Haa Cleffa's Feather Broom Lightning Storm Lightning Storm Triple Tactics Talent Twin Twisters Twin Twisters Dimensional Barrier Dimensional Barrier Item ID: 801539732
Insect Queen Blade Knight Dark Magician Red-Eyes Black Dragon Blue-Eyes White Dragon Mystical Elf Baby Dragon Winged Dragon, Guardian of the Fortress #1 Skull Servant Two-Headed King Rex Saggi the Dark Clown Gaia The Fierce Knight Illusionist Faceless Mage Harpie Lady Gyakutenno Megami
Rising Scale doesnt let you cheese out level eights for an instant XYZ Summon, but it does help you get things started