Wizards managed to capture both sides of the character in this incredible new flip legend
Stiltzkin addresses this problem by keeping the cards flowing, giving you the gas you need to stay in the game and see your Donate shenanigans bear fruit
Then you can -2 Teferi to dig down three cards into your library and select one to put into your hand, so it's an Impulse for 3 for -2 loyalty
If he weren't already the goodest boy, he's even better as he comes ready to rumble with Flash
What do you think would happen to the price of, say, All Hallows Eve if it were reprinted
Off the top of my head, in Standard and Modern, it prevents some or all of the use of the following cards: Every flashback card (in particular) Ancient Grudge Desperate Ravings Dread Return Dream Twist Faithless Looting Forbidden Alchemy Mystical Teachings Past in Flames Think Twice Unburial Rites Snapcaster Mage Narcomoeba Reanimate Exhume Every undying creature Every persist creature Gravecrawler Ichorid Ashen Ghoul Proclamation of Rebirth Polymorph Probably quite a few others 1) Drogskol Captain Hexproof is a very non-interactive creature mechanic, making it one of the more powerful mechanics to have been printed in recent years