During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck, using monsters from your hand or field as material, including a "Memento" monster
It can only draw you a card on each end step, but in the right deck you can make it happen on your opponents' turns too
If you have a bunch of old code cards and want to get the most out of them, youll ideally want 125 unopened items (such as booster packs) on your TCGO account to get the maximum of 6200 Crystals, and then beyond that, since youll only earn Credits for extra copies on TCG Live instead of TCGO, youre best waiting to scan any extra codes until after TCG Live is released to get you a better chance of earning Credits for your extra cards
Wargrowlmon and Knightmon, both hovering around $1, make solid attackers, with both cards heavily decreasing enemy DP
And totally worth about $2,597 in aggregate between Alpha and Beta