pokemon tcg trick or trade 056 172 mewtwo holo card 056/172 - 2022 Halloween Foil Rare These cards are freshly removed from packs Pokémon Mewtwo Holo Trick Or

I believe that three is the minimum, but there are arguments to be made on why to include a full playset

Delve is an ability that allows you to exile a card from your graveyard to reduce the cost of the spell by one mana

3/3 Illustrated by Ernanda Souza

Japanese booster boxes are easier to import reliably and often remain at a more stable price point

The Confluence costs a massive six mana and three in colors, but you can goad one player's stuff three times, so it's Disrupt Decorum in a four player game, or you can use it as removal of a -3/-3 nature up to three times, which will kill indestructible stuff and not exile them so you can recur them later or you can Regrowth a sorcery/instant up to three times

Based on the latest market prices tracked on TCG Stacked, Stamp of Approval is worth about $0.13 USD for a regular copy and $0.75 USD for a foil copy