A huge prize is a serialized card with a limited number of printings
A List of Every Pokmon Card Set Symbol Get the full formatted PDF you can save, print, or read offline
For decks with three or more colors, where you might only be able to afford a small number of MDFCs since you'll need most of your lands to either be basics (for ramping / tutoring purposes) or tap for multiple colors of mana, the best MDFCs are Bala Ged Recovery (seriously, if you have green mana in your deck, play this card), Valakut Awakening, Hagra Mauling, and Ondu Inversion, along with the mythic cycle, which is almost always good if you can afford another land that only taps for a single color of mana
Luffy: Introduces a powerful new Leader card with multicolor deck-building potential
You can upgrade cards to have different kinds of flair