There is discussion on how to classify silver-bordered cards for casual play, and the Commander Format Panel has yet to address it specifically
The same is true for first strike, double strike, deathtouch, hexproof, haste, indestructible, lifelink, menace, reach, trample, and vigilance
Kenrith, the Returned King can also use this dragon, such as reanimating it with Kenrith's last effect or giving it +1/+1 counters to finish off the opponent even more swiftly
Rockets Secret Machine - These cards have special effects that can be used to affect you and your opponent
With the formats popularity growing each year, Wizards has created at least one annual product for it starting back in 2013
Players love mechanically unique Secret Lairs, but you know what we love even more