He can either deal X damage to any target or cast an instant or sorcery with mana value X or less, where X is the highest mana value among Equipment attached to him
It also means that if you really want access to these effects as a Commander player, you have a much more affordable route to getting a card with the same effect
An entire clans theme from Khans of Tarkir keyworded this effect as Formidable , and tons of Formidable cards still see play across formats, Temur Battle Rage being my favorite
Those heading to the ExCeL centre in London will also have the chance to create their very own trading card as part of the interactive experience, complete with AR photo-booths and the option to customise the cards and take home a digital and physical copy of this one-off memorabilia item.
The Zendikar fetchlands are continuing to surge, joined once again by Wrenn and Six
Interestingly, this foil treatment has a bizarre issue some players have reported that you can rub the Phyrexian symbols off the card