Promo Set 2 has the first of these with Prince John Gold Lover from a special edition of Villainous: Introduction to Evil, and the Moana Adventurer of Land and Sea Movie Promo available from select cinemas for Moana 2
We know that the Miku lairs were cranked up between the first and the last in terms of print run, and despite all the tech glitches and problems, the Marvel Lair took several hours to sell out
Not needing to be the one attacking does a lot to endear me, though giving your opponent choices rarely works well
WotC cut out the +1/+ and trample from the Tarkir: Dragonstorm equipment and the resonant red enchantment got showered off and rebalanced with a cost to copy spells before they were re-admitted to the Alchemy card pool
In this way, two high-cost Character cards can be played on the same turn
For example, if you control a Biotransference and there is an effect that says artifacts enter the battlefield tapped, creatures you control will enter the battlefield tapped