It's not uncommon for Nettlecyst to enter as a 5/5 or larger, and the equipment can be attached elsewhere if the Germ is taken care of.
First strikers can clog up boards since they're good blockers, and this change has started to specialize first strike as a primarily offensive mechanic, appearing mostly on commons in various Limited formats
Creature Elemental When this creature enters, destroy all artifacts and enchantments
If you are taking an aggressive stance and pressuring your opponents life total they are going to have a difficult time paying life to deny you cards, which means that Sin Prodder will be doing a passable Dark Confidant impression and drawing you some cards while it beats down
Especially if the player you want others to smackdown is playing, like, a charming doggo deck or something
That creature becomes a copy of the card with the chosen name until Killer Cosplay becomes unattached from it