Four defense counters is fineon the lower end of the battles rangeand the backside is incredibly powerful as an upgraded Seismic Assault, which can be a combo piece or simply a way to prevent flood in an aggro deck by giving you a way to turn extra lands into damage and cards
Put the rest on the bottom of your library in a random order." On top of that, it also costs one less mana to cast for each artifact you control, which means it could be as low as two mana if you've got enough artifacts in play
If both players have the exact same land ratios, optimized for this scenario, the starting player wins just a tad bit more often
Whelming Wave was the design team being as unsubtle as possible
you cant simply chump Flourishing Fox (especially with Footfall Crater out), and you cant gain enough life to be safe from repeated Zenith Flares
You get a 1/1 pest token for each mana spent beyond the initial , and you can scale this up to destroy more problematic permanents