Any number of copies is fine, even if you were to run max copies, it's not really a problem due to how quickly this deck goes through resources
At the end of the turn, I use BT18-088 [Takuya Kanbara & Koji Minamoto]'s inherited effect to attack, and I use BT17-023 [KendoGarurumon]'s [When Attacking] effect to digivolve into this card
"Envy") have 0 ATK, possibly due to still struggling against their involuntary metamorphosis and only lashing out in self-defense
TCG Card Database - Able to search public deck lists worldwide - Able to check the latest Forbidden & Limited List - Able to simulate your opening 5-card hand - And many more features to support your Deck managing experience Supporting your Duels - Calculating Life Points - Log, Save and Archive your Duels - Flipping coins, rolling dices and placing/removing Counters - Playable BGM feature Card Search - Easily search Cards with your Camera - Search Cards accurately through Specifying Card Name, Card Text, Link Markers etc
The book is mostly focused on My Little Pony Generation 1 (MLP G1)
If you get them for kitchen table, Cube or Commander, or any casual format rather than competitive, it is a no-brainer