These cards occupy The List slot (alongside 10 Special Guests) in Play Boosters and Collector Boosters, and in our box of Play Boosters, we got as many as eight different Big Score cards
And that's the tension
4) Insert mana symbols with one click Instead of hunting down mana symbol fonts or typing weird brackets, the editor gives you a click-to-insert symbol row (tap, W/U/B/R/G, colorless, X, phyrexian, snow, and numbers)
They'd get a creature on the spot, and the threat to make more, forcing their opponent to come up with two answers rather than one
in a super creature-heavy deck (~40ish creatures) it's an okay success rate by itself but that percentage shoots up once you introduce topdeck manipulation like Sylvan Library, Cream of the Crop, and others