For example, if a creature has toxic 2 and gains toxic 1 due to another effect, combat damage that creature deals to a player will cause that player to get 3 poison counters
Most of the time, artwork, particularly for legendary creatures, depicts them casting some spell or doing something cool, not taking a midday nap
Appeal / Authority Appeal / Authority is another one of those cards that rewards you for having lots of creatures
They came over and sorted for a few hours every once in a while
You can return it from the graveyard for free with Teshar, Ancestor's Apostle, and then sacrifice it to get another artifact back, which then triggers Teshar again, and so on
The cards biggest downside is the mana cost