pokemon charizard card v (001/021) Preserved in a tamper Pokemon Card Game/[S4a] Shiny Star

While that is great when bringing an opponents life total down, its not good when you have a 3 damage spell against a big Creature with 6 Toughness

Krarks Other Thumb (and associated dice mechanics) Coin flips have been a part of black-border Magic since the start, but somehow rolling dice never had the same level of legitimacy, and it was pigeonholed as an Un-set mechanic until very recently

Flavor Text "Abbandona i tuoi pensieri e lascia che il mio volere ti pervada." P/T Number 63 Language Italiano Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (7/23/2021) If Mind Flayer leaves the battlefield or you lose control of it before its Dominate Monster ability resolves, control of the target creature doesn't change at all.

That makes it a perfect payoff for either Felothar the Steadfast or Betor, Ancestors Voice, the decks two potential commanders

Either of these things tends to mean that the benefits they might bring to decks are not coming close to covering the costs they impose on your cube as a whole