To end the combo, just target your original, non-Dualcaster Mage creature with a Twinflame copy
It will be a major tentpole release that will be fully draftable and legal in the Standard format from Day 1
Still totally fine ramp cards you can play on offer in most cubes
Mana Cost: Somewhat similar to MV, this allows you to search for cards that have specific things in their mana cost (for example, you could search for cards that specifically ask for two colorless in their mana cost)
The earliest hints of anime-inspired art might have been subtle references in certain older sets, but now, its much more direct
I personally recommend running versions of attractions that have the highest numbers lit up: this allows us to use dice rerolling cards Barbarian Class, Pixie Guide, and Wyll, Blade of Frontiers, which are the most mana-efficient dice-rerollers, but force you to take the higher number