1st edition original pokemon cards Here's my old collection with Editions/Holos. Which ones should be graded? Are they worth anything? - Market 1st Edition - Old Pokemon

Youre not going to cast this for the native cost but since the Dragon comes with delve, you are able to exile away cards to grow the creature as part of that cost

This mana may only be spent to cast a Warrior, Wizard, or Rogue creature spell

Being able to spam Spell Tag and Giratina LOT while giving up only 1 Prize spelled disaster for Blacephalon

Mizzix of the Izmagnus asks for a laddering of instant and sorcery mana values, slowly building up a cost reduction to help you sling spells

The point of proxies comes down to two things: access to cards that are not available, or to save large sums of money, and both can be true