That said, there are examples of positive IP integration
Core Sets are back, baby
Legendary Creature - Human Warrior Wrenn and Realmbreaker Lands you control have ": Add one mana of any color." +1: Up to one target land you control becomes a 3/3 Elemental creature with vigilance, hexproof, and haste until your next turn
Quarter Century Secret Rare The Legendary Collection: 25th Anniversary Edition features Quarter Century Secret Rares - cards with a holographic gold name, the Secret Rare holofoil on the whole card, and a special 25th Quarter Century watermark in the text box
This card is almost exactly the same as [mtg_card]Mass Polymorph[/mtg_card], but the quirky timing rules allow you to use Synthetic Destiny to dodge [mtg_card]Wrath of God[/mtg_card] and other sweeperscast this in response, and at end of turn, get your creatures back
Its market price of $66.85 shows its still moving, but buyers clearly prefer the SIR version