Many of these cards are red or black and generate damage, but there are a few other powerful effects on the list
The best way to learn is just to fumble around sometimes
If you somehow have zero, it likely wont impact the game very much
The black fetchlands all could threaten to find a Godless Shrine out of nowhere, and the information edge is surely worth more than the tiny Pithing Needle equity, or whatever
Ras rules text is a version or bastardisation of hieroglyphics (this author isnt sure which), fitting Yu-Gi-Oh!s fundamental fascination with the ancient Egyptian pantheon and cultural signifiers - even when they didnt shoot for accuracy
Trample, haste Trample over planeswalkers (This creature can deal excess combat damage to the controller of the planeswalker it's attacking.) Thrasta has hexproof as long as it entered this turn