yugioh 5ds structure decks 5D's Spellcaster's Command English Deck [Toy] : Toys & Games Experience the high Legendary 5D's Decks – Yu-Gi-Oh!

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Then I realized that this card could straight up copy someone elses instant or sorcery spell or activated or triggered ability

Example of Usage: "Effect Monsters you control cannot be targeted by card effects." "If a Normal Monster you control battles an opponent's Effect Monster, negate that monster's effects until the end of the Damage Step." "You can reveal 1 Effect Monster in your hand, then target 1 non-Effect Monster you control

Instead, Maralen allows each player to spend their draw step tutoring for any card they want at the expense of 3 life, and that can lead to some interesting twists in gameplay with everyone getting their favorite cards on demand