Whenever you cast a Dragon spell, create a 0/1 red Kobold creature token named Kobolds of Kher Keep. Like Rohgahh, Sphinx Of Clear Skies is a creature with a cost of three mana, and has the following effect: Domain whenever Sphinx of Clear Skies deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control
(2021-06-18) Any one-shot effects that are waiting "until [this] leaves the battlefield," such as that of Banisher Priest, won't happen when a permanent phases out
If Mishra's Foundry is already a creature, activating the second ability will override any previous effects that set its power and/or toughness to specific values
10 Achilles Davenport The unkillable assassin
So, WOTC gave these extra misprinted cards to their employees as a memento of the screw-up
The primary commander for the deck, Sauron, Lord of the Rings, costs a hefty eight mana to cast, but with it comes a mighty cast trigger that can turn the tide of the game at later turns