yugioh spellcaster equip cards Spell | MFG Yu-Gi-Oh! RPG Wiki If you control the equipped monster and this card Spellcaster - Yugipedia

This means you can safely spend most of your mana to put you further ahead

The honest answer: it depends on the card

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A card's demand is also driven by the Pokmon itself

This sort of mana production and extra utility is a lot for a 2-drop, even if it's restricted to a very specific style of deck

Note that the term itself has never appeared on cards