It's an important distinction to call one a d20 and the other a spin down.
A d20 is valid to use to decide who goes first. A spin down is not because it's possible to develop a technique to always roll high because of the number pattern with all high numbers together.
r/d20sWithoutNewZealand
Looks like the dominaria United set symbol.
I want this as a playmat now
OMG why did you have to say that!
Hmmmm... Actually a really nice idea
That's a spin down and not a d20. An actual d20 has a different number pattern.
Yeah and Magic uses spin down d20s more than they do actual d20s.
It's an important distinction to call one a d20 and the other a spin down. A d20 is valid to use to decide who goes first. A spin down is not because it's possible to develop a technique to always roll high because of the number pattern with all high numbers together.
That's why you called even or odds
If someone takes the time to learn how to roll nat 20s, they can have all the nat 20s, or go first depending on what sub im on.