On a negative note, Skarmory is indeed a Mega Evolution, which comes with the clear risk of giving a lot of advantage to your opponent if it falls in battle, so that is the entire reason why I didnt dare include it higher on the list
Court of Grace Court of Grace provides one of the best card advantage engines in Magic: the monarchy
Similar to Emry, Lurker of the Loch
This means that Gluttonous Troll, equipped with Scythe of the Wretched, returns to the battlefield if it deals 6 damage to itself this way, generating endless Food Tokens, ETB triggers, LTB triggers, and death triggers
Playability & Rarity/Scarcity When looking at how desirable these cards are for use as game pieces, we know that isnt the answer