It may surprise you, though, that there's another card from this set that's even more expensive
Cryptid Cryptid's creator, MathIsFun, describes their content mod as "unbalanced", but don't mistake that for being a bad thing
THE SHITS AND GIGGLES OF IT ALL: Not to mention that she's probably the only general you will ever come across who can get a Craterhoof Behemoth'ed army and not die to the control player's overloaded Cyclonic Rift
That said, having 100,000,000 life doesnt necessarily win you an MTG game
And just in case, since protection is a tricky keyword: The bonuses that Sword of Fire and Ice provide do have synergy protection from a color not only protects against removal, but also lets you bypass blockers from that color
With deathtouch and the ability to make an opponent lose half their life on a hit, its a ticking time bomb