These are all Collectible Card Games
You get a separate trigger for each creature that attacks and enlists, meaning youre potentially refilling your hand if you go wide enough and enlist the village in your attack
Or, for a shorter bite-sized version, check out these videos that cover them in depth: Begin your Revolt It's time to finish what Kaladesh set up
Yes, unless the card specifically says enchant a creature you control. This is actually a great strategy with cards like Darksteel Mutation to neutralize an opponents threat without letting them recast it
REQUIREMENT During the Main Phase of the turn this card was Normal or Special Summoned, send 1 card from your hand to the Graveyard
Cait Sith, Fortune Teller* Really missing the robot type it should have (yes, we know youre a liar Cait Sith, and apologies for 25+ year old spoilers), this lying cat is a 4 mana 3/3 that impulse draws each turn while growing one of your creatures, proving that even traitors can have a purpose