Gem Guide


This is a living guide which automatically updates itself based on new tournament decks and current Power Rankings to give you the most up-to-date gem investment advice possible. The green/red arrows — / — found on cards throughout the guide represent recent trends in those cards’ usage rates. For more info read the analysis details.

Quick Links

Recommended Deck

The average cost to build D/D/D (Tier 1) is
41000 gems
. This comes from the
41000 gems
needed for the core UR/SR Cards:
3 copies
D/D Savant Kepler
3 copies
Dark Contract with the Gate
3 copies
D/D/D Doom King Armageddon
2 copies
Book of Moon
D/D Orthros
Number 22: Zombiestein
Hieratic Sun Dragon Overlord of Heliopolis
D/D Swirl Slime
D/D/D Super Doom King Dark Armageddon
D/D/D Oblivion King Abyss Ragnarok
Galaxy-Eyes Cipher Dragon
as well as the core R/N cards: Along with roughly
used for tech cards like Loading... . The rest of the core cards are free to obtain:
Enemy Controller
D/D/D Flame High King Genghis
Other Top Decks
  1. Phantom Knights (Tier 2) –
    60000 gems
  2. Odd-Eyes (Tier 2) –
    68000 gems
  3. Gandora (Tier 2) –
    71000 gems + $11

These are decks whose best versions involve cards currently exclusive to Selection Boxes. Such cards are extremely expensive and only available while the Selection Boxes are around (until June 13th). It is unknown when these cards will be available to purchase again.

Note: Before investing in a deck, take the time to look into the play-style of the deck as well as general opinions on the deck. Be sure that you’ll enjoy playing the deck and that it’s not in danger of suddenly becoming irrelevant.

Analysis Details

This page works by analyzing recent tournament decks from the past few weeks, automatically accounting for any changes to the Forbidden/Limited List and Power Rankings. Only cards which are used in those decks above a certain “usage threshold rate” are counted on this page, so the cards you see above are guaranteed to have been successful in multiple top decks from multiple players.

A “staple” card is classified as any card which is commonly used in multiple top-tier decks. Cards may shift from being staples to being classified as “archetype-specific support” if all but one of the decks using that card fall off the Tier List. Similarly, cards may become staples as other decks that use the card are promoted on to the Tier List.

The recommended deck is the best, most accessible deck on the Tier List, perfect for new or returning players. The price of each deck is estimated by looking at the “core” cards and then factoring in how expensive common “tech” cards are. If you’re instead looking for information on one of the non-recommended decks, the deck-type pages have full statistical breakdowns of the cards used in every deck.