There aren't any major rules that are unique to Artifacts, but many cards care about the number of Artifacts you control, or can only target Artifact permanents
Add Hellrider, also in the colors, for more of the same
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Summon: Knights of Round: Same goes for Knights, which is just as busted as Bahamut but crucially 1 mana cheaper
With sharp, decisive moves befitting a veteran Plumecreed soldier, Zinnia led a dazzling rescue effort to move animalfolk living in a border village out of harm's way, distracting the Storm Hawk and outracing it
If all of the damage is prevented, Lightning's effect no longer applies