mtg modular cards UAONO Deck Box, 6-Deck Commander Deck Box with Dice Tray Modular Monstrosity gains that ability Elite Artifact Modular Deck -

Battle for Baldur's Gate reinvigorates the concept by bringing with it the flavor of the Baldur's Gate series of role-playing video games, which are themselves based off of Dungeons & Dragons

Delirium was eventually added to the set, and having a byproduct of manifest dread putting cards in your graveyard helped fuel delirium

Legendary Creature - Shapeshifter Orvar, the All-Form Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents

This is just value incarnate and a great filter for infinite mana, which leads people to partner it even if its not a central part of their strategy