venat mtg card (PR165/23-115L) - FF: Promo Cards put a +1/+1 counter on another target creature you control Venat (23-115L) - Hidden Trials

(You can use counters to mark this effect if you like.) As the card says, it's a Really Epic Punch

If the discovered card's mana value is less than 10, create a number of tapped Treasure tokens equal to the difference

This may or may not be the only Legacy deck I can afford, and I may or may not already have it sleeved up

Razor Boomerang is the utmost extension of Fine, well print this effect in a Limited environment, but were going to make it terrible because anyone can use it. This especially sticks out in a set where Cunning Sparkmage was a must-play Limited red card

If you're already in the Undercity dungeon, then cards that read venture into the dungeon will instead progress you to the next room in the Undercity as opposed to having you enter another dungeon

Maybe the budget option is better for you as well