Honorable Mentions Kaito, Cunning Infiltrator can make creatures, and can make any creature unblockable, but it can't give it to itself, so I'll keep it separate from the list below
Raichu (Illustration Rare) $47.26 Card Number: #211/193 Rarity: Illustration Rare Raichu often gets overshadowed by Pikachu, but this Illustration Rare gives it some long-overdue love
Learn how to play with your own deck, easy-to-follow rules, strategy tips and reference card 100 CARD RED-GREEN DECK: With the Draconic Destruction deck, go on the attack with Atarka, World Render and double down on dragon damage to overwhelm foes with a multiplying army FOIL-ETCHED LEGENDARY CREATURE CARD: Includes 1 legendary creature card with gorgeous art and a foil-etched treatment
cards to 1 of your Leader or Character cards and trash this Character: Give up to 1 of your opponent's Characters 3000 power during this turn
eBay (US/UK): The online auction house sees cards of all rarities and values listed, from single cards priced in the pennies to rare finds fetching hundreds and thousands
But upon the reveal of these playtest cards, I saw two in particular that captured my attention: Slivdrazi Monstrosity and Sliv-Mizzet, Hivemind