If you control Midnight Scavengers and you gain control of your opponent's Graf Rats, the two creatures will just stare at each other uncomfortably
And since The One Ring is legendary, if you have multiple copies in your deck, you can cast a new One Ring and sacrifice the old one, resetting the counters
Escarpment Fortress Escarpment Fortress may not fit well in defender-themed decks, but it's a very cool defender creature on its own as it slightly pumps your creatures' power, and you get card advantage whenever you attack with multiple creatures
If you don't, put it into its owner's graveyard.: Add one mana of any color
It's both an Equipment and Planeswalker, with some powerful Loyalty abilites to boot
When this card enters, you can prevent all damage to one of your creatures and turn that damage into +1/+1 counters for that creature