invisible ink mtg cards showcase in Magic: The Gathering Murders at Karlov Manor (MKM) #352 Illustrated by Ivan Shavrin Magic Aurelia's Vindicator (Showcase) (Invisible Ink)

It's a Swords to Plowshares that both exiles the threat and gains you the life from its demise, all for a comfortable one mana

Mark Rosewater suggests that mechanics built on tutoring are bad for the variability of the game

Face-down cards arent obvious threats, and there are many other morph-friendly interactions to fill the 99

Professional Face-Breaker: I feel obligated to preface this one by mentioning that although she has my favorite card name in years, this card was chosen for my top 10 based on game mechanics alone

While I do stand behind all of those lists, I still often suggest that newer players buy one of these products if they like the commander, and are just getting into the format