For the budding player who's excited about both the game and the collectible nature of the cards, these Portfolios are a Bear Necessity
Moon-Blessed Cleric Tutors are powerful cards, especially in singleton formats like Commander
Yes, you can tap a treasure without sacrificing it
The best sequence of actions would be to cast 2 Creatures in your 1st Main Phase, Convert into Prowl, Stoic Strategist, and then attack as a 5/5 Creature that can Exile up to 1 other tapped Creature or Vehicle
Which makes sense when you look at its other printings: the cheapest version from Baldur's Gate is worth close to $100, for a card that is one of Magic's best dragons, an amazing treasure card, and a cEDH staple
This enchantment also makes you Treasure tokens, so its still useful to have out even if you dont win with it