Borderless cards simply remove part of the card frame itself and extend the art to the outer edges of a card, whereas showcase frames are variations of the border, often with artistic flourishes that match the aesthetics of a set
Yes, this is a bit of a gamble, seeing as Yuma is so expensive and doesnt have built-in protection (who doesnt have ward these days?), but I think it will pay off more often than not
Not to mention it's easier to cast than Murder
That might seem redundant, but that also protects it from wither and infect sources of damage, as well as thing the trigger on combat damage to the creature so there is even more going on than at first blush
With Alphas limited print run of approximately 1,008 copies per rare, most Moxen saw heavy play before protective sleeves became common in 1995, making pristine versions incredibly difficult to find
The five-mana commanders instead focus more on ramp on turn three, which can often accrue more value than spells that cost less, but still help with the game plan of getting a commander into play a turn early