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In addition, many of the most popular trading card product lines still provide collectors with ongoing opportunities to collect through the creation of new products that produce a sense of scarcity (i.e., limited printing quantities), attractive physical characteristics (holograms), premium (high-quality) product materials, and product lines or brand expansion for major trading card product lines (e.g., Pokmon, Magic: The Gathering, Yu-Gi-Oh)

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From the XY Black Star Promos set

Animate Dead and Dance of the Dead offer reanimation and extra value in case you already cast a creature this turn

Dominus of Fealty takes control of any permanent for one turn at the beginning of your upkeep, Reins of Power switches control of creatures with an opponent, and Insurrection gives you control of literally every creature and untaps them with haste to get them ready to beat one unlucky soul into the ground