Nostalgic Appeal: For many Pokmon fans, the Original Complete 151 Pokmon Set represents a cherished part of their childhood
It's a fun strategy that can quickly overwhelm opponents
For example, I can have four copies of [mtg_card]Lightning Bolt[/mtg_card] in my Vintage deck, but only one copy of [mtg_card]Black Lotus[/mtg_card], because its on the restricted list
Radha, Heart of Keld Radha, Heart of Keld really needs an Exploration-type effect in play to pop off, but with an extra land drop or two each turn, Radha can pull together an entire landfall strategy
The wild popularity of the set sold preorders out fast, with stock only now starting to return to shelves and online retailers
Banishing one card from each of your opponents hand, field and graveyard upon summoning was just the start, while Unicore would negate the effects of all monsters summoned from the Extra Deck