I know full well from my forays into Magic: the Gathering's The Lord of the Rings crossover that I have the capacity to spend more money on trading cards than I should
Most of the time when Yami Yugi attacks with that monster, he announces "Go, Dark Magician!", followed by "Dark Magic Attack!" When Yami Yugi Summons "Black Luster Soldier", a cut-in frame of Yami Yugi briefly appears, and he announces "The forces of light and darkness intertwine!", followed by "I open the gate of chaos!", then followed by "Bring forth Black Luster Soldier!" If its Summoning animation has not already played this Duel, a cutscene of "Black Luster Soldier" being Summoned plays afterwards
When this card is destroyed by battle and sent to the Graveyard, destroy 1 monster on the field
For instance, you can cast a sorcery using flashforward only when you could normally cast a sorcery
Shrouded Fable (Featuring Pecharunt ex and the Loyal Three master lines)
You miss out on so many cards that make lands matter strategies work