Its Trade ability lets you trade one card for two every turn, which is already valuable for smoothing out your hand and digging deeper into your deck
Evilswarm Exciton Knight is a powerful monster that only takes two level 4 monsters to make
1999-2000 copy-write cards These are not errors, as they were produced solely to update their copywrite notices, and so these dont fit into any category here
But if you did find it just as interesting as I did, then wonderful
There are 13 different Porygon cards that can have holo swirls: Cool Porygon ( Wizards Black Star Promos #15) Porygon ( HGSS Black Star Promos HGSS22) Porygon2 (Neo Revelation #12) 1st Edition, Unlimited Dark Porygon2 (Neo Destiny #8) 1st Edition, Unlimited Porygon2 ( EX Unseen Forces #12) Porygon2 ( HGSS Black Star Promos HGSS23) Porygon-Z ( DP: Great Encounters #6) Porygon-Z LV.X ( DP: Majestic Dawn #100) Porygon-Z ( DP Black Star Promos DP35) Porygon-Z ( HS: Triumphant #7) Porygon-Z ( SM: Burning Shadows #105a) The last one on the list, Porygon-Z ( SM: Burning Shadows #105a), deserves special mention
Well, yes and no -- Dig is still the most mana efficient way of doing this effect, but you have to be willing to exile a bunch of cards in order to do so