yugioh devack deck (Duel Transer) Devack (Millennium Duels) - Yugipedia

There are some cool archetypes that arent competitively viable, but this is an area where you can test them out and see some of the cool ideas the game has had

Its card contents are essentially identical to the three Memories of the Duel King sets from the OCG consolidated into one set, with the sole exception of the Token cards

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The only real downside is it cant bring back lands, and therefore cant ramp you like Sun Titan + Fetch land

It also gives all creatures attacking your opponents double strike, not just yours