A cheap, evasive threat that replaces itself and functions offensively and defensively is strong, but the artifact card type makes this appealing to a broad range of decks
Earth 11-065HArdyn Ardyns second auto-ability will not trigger in cases when receiving damage greater than Ardyns power value due to summons or abilities, or when his power value is 0 or less
Meaning, you always have access to it when you want it
This update to Amass does open the door to it appearing in more places than it had before while Orcs existed in Magic already, they were pretty scarce relative to the more prevalent goblins, and the old version of amass required a zombie-heavy setting
1: Give up to 1 of your opponent's Characters 6000 power until the end of your opponent's next End Phase.[Activate: Main] [Once Per Turn] You may rest 1 of your DON
The same goes for the other top-performing decks from Magic World Championship 30, including Dimir Midrange, Golgari Midrange, Mono-Red Aggro, Golgari Ramp, and Gruul Prowess decks