For example, suppose you control Edgar, King of Figaro and Ral Zarek and you activate Ral Zarek's last ability ("7: Flip five coins

$19.99 Kefka, Court Mage (0398 - Borderless) Final Fantasy Variants $15.99 Clive, Ifrit's Dominant (0385 - Borderless) Final Fantasy Variants $23.99 Yuna, Hope of Spira (0404 - Borderless) Final Fantasy Variants $64.99 Cloud, Midgar Mercenary (0375 - Borderless) Final Fantasy Variants $4.99 Dion, Bahamut's Dominant (0376 - Borderless) Final Fantasy Variants $9.49 Gogo, Master of Mimicry (0377 - Borderless) Final Fantasy Variants $1.79 Raubahn, Bull of Ala Mhigo (0388 - Borderless) Final Fantasy Variants $7.49 Joshua, Phoenix's Dominant (0397 - Borderless) Final Fantasy Variants $3.99 Squall, SeeD Mercenary (0402 - Borderless) Final Fantasy Variants $3.49 Cecil, Dark Knight (0380 - Borderless) Final Fantasy Variants $3.49 Firion, Wild Rose Warrior (0386 - Borderless) Final Fantasy Variants $4.99 Zenos yae Galvus (0384 - Borderless) Final Fantasy Variants 0 results found

Or try to find another ability that would feel at home alongside it, and once you have a pair it is easier to figure out the converted mana cost of the card and their relative play pattern
Otherwise, theyre mostly too low impact or too niche to have an impact in Commander