Here are some of the more affordable ones so you can try out new Commander decks and not dip too much into your savings
Tracking Numbers will ALWAYS be sent so you can track it every step of the way
Scar allows all Ally characters to get a +1 strength, and if Scar is exerted at the end of your turn, you could draw cards equal to the challenge strength of one of your Ally character cards, although you must discard two cards and banish that character
Gitrog Frog may be more of a dragster
Black Bolt and White Flare dropped simultaneously as paired sets, making the two SARs a natural collector pair buying one without the other feels incomplete to most SV11 completionists
A colorless 3/4 for three is actually still on-curve today, although today, creatures with drawbacks like "sac a land if this leaves play" just don't show up in tournament Magic it's way too easy to get blown out and lose the game as a result