mtg construct commander deck Myrel, Shield of Argive Custom sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power. Leonardo da Vinci Commander Deck

Based on how theyve designed sets for the last half decade, youd think theyd be ecstatic if basically every deck in Standard looked like this: Creatures (15) 2 Torrential Gearhulk 4 Glint-Sleeve Siphoner 2 The Scarab God 4 Goblin Chainwhirler 3 Nicol Bolas, the Ravager Planeswalkers (3) Lands (26) Spells (16) 2 Magma Spray 2 Essence Scatter 3 Harnessed Lightning 1 Glimmer of Genius 1 Commit 1 Abrade 1 Supreme Will 4 Vraska's Contempt 1 Search for Azcanta Sideboard A dozen of the formats best mythic rares, a dozen of the formats best removal spells, rinse and repeat

It's a little similar to the classic 'Devour' ability (which is fitting for a race also known as The Great Devourer)

As long as Xorn is in play, whenever its controller would create any number of treasure tokens, they produce that many plus one

Companion originally let you cast a single creature from your sideboard if you fit a specific condition, but its immense popularity across every format in the game led to decks needing a Companion to participate