The result of the coin-flip matters, but Mana Crypt's obviously operating in a completely different space from most other coin-flip cards
Its a consistently valuable card, with the base version typically valued between $25-35
These are: Chaos Orb Falling Star Shahrazad All cards that bring an Attraction into the game All cards that bring a Sticker into the game 25 cards with the Card Type" Conspiracy"

$24.99 Dion, Bahamut's Dominant (0521 - Borderless Surge Foil) Final Fantasy Variants $0.49 Fang, Fearless l'Cie (0381 - Borderless) Final Fantasy Variants $29.99 Zenos yae Galvus (0529 - Borderless Surge Foil) Final Fantasy Variants $34.99 Jill, Shiva's Dominant (0523 - Borderless Surge Foil) Final Fantasy Variants $54.99 Kuja, Genome Sorcerer (0544 - Borderless Surge Foil) Final Fantasy Variants $12.99 Seifer Almasy (0534 - Borderless Surge Foil) Final Fantasy Variants $11.99 Raubahn, Bull of Ala Mhigo (0533 - Borderless Surge Foil) Final Fantasy Variants $2.99 Zidane, Tantalus Thief (0550 - Borderless Surge Foil) Final Fantasy Variants $19.99 Firion, Wild Rose Warrior (0531 - Borderless Surge Foil) Final Fantasy Variants $3.99 Fang, Fearless l'Cie (0526 - Borderless Surge Foil) Final Fantasy Variants $10.99 Vaan, Street Thief (0535 - Borderless Surge Foil) Final Fantasy Variants $0.49 Clash of the Eikons (0341 - Borderless) Final Fantasy Variants 0 results found

Mono-red also lacks many compelling options for protecting it, so get ready to pay some hefty commander taxes
Giving a creature +3/+0 and trample is a good effect, yes, but like Disorient, it's overcosted