yugioh red nova dragon deck YU-GI-OH! - (DRL3-EN017) - Dragons of Legend: Unleashed - 1st Edition Red Nova Dragon - Burning

It essentially saves Ink cost, and some of the Song cards have ultra powerful effects

For example, if you used Souls of the Lost to craft Wretched Bonemass, its power and toughness while in exile are determined by the number of permanent cards in your graveyard, and Wretched Bonemass's power and toughness will change as the number of permanent cards in your graveyard changes

An extreme form of copying original cards is forgery of expensive cards, which is again outside the "proxy" category

This attack is capable of one hitting any Pokemon when unleashed

In addition to the normal tick-taking rules, there are specialty cards that add extra trump options and an escape card that forfeits a trick