Attacks can do all sorts of things, Trainer and Supporter cards are incredibly varied, sure
First you need to a play a card that does nothing on it's own, then you need noncreature artifacts, then you need ways to sacrifice them
So, it turns out that if someone has a type, I'm one of those someones
Honestly now that I think about it how did heracross get one but not pinsir
If both the attacking and blocking creatures have lifelink, then both of their controllers will gain life
In fact, I think that influence might already be showing its face in legends were seeing in the most recent sets, with legends that are much more niche and specialized: Compare to previous newer designs that were value-engines that rewarded players for just playing Magic: Past and Future But as we eagerly await these cool, new niche designs to roll out in the coming years, its a good idea to remember legendary creatures from Magics past, especially those from before WotC began to focus so much on Commander