You cant go wrong with Professional Face-Breaker in creature-based decks
The card was also the centrepiece of season three of the Netflix show King of Collectibles: The Goldin Touch , where Paul wore the card for a box break of 2009-10 Topps Basketball cards at Goldin headquarters in search of a never-found one-of-one Stephen Curry SuperFractor rookie card
Once you create the tokens, you can put any of the counters you already have on board onto those tokens, and keep attacking with them
Both cards relatively freely thin your deck by one card, which assuming the rest of the cards are what you want, will increase the power density of your deck
Both will be vying to add yet another trophy to their impressive resumes
Just remember that umbra armor won't help if the creature's toughness is 0 or less, if it's being sacrificed, or if it's trying to leave the battlefield in any way other than by being destroyed