If you have a Clue on the board, and no mana, I could try to preemptively destroy it so you won't be able to activate it later, when you do have the mana
Each player draws X cards, where X is the total amount of mana paid this way
Fortunately, support cards specific to Gemini monsters exist, and some archetypes happen to possess at least one
[Dragon / Effect] LV7 ATK/2800 DEF/2300 When the effect of an opponent's monster is activated that targets and destroys a card(s) you control, you can send the targeted card(s) to the Graveyard to Special Summon this card from your hand
7 Commanders For The Advanced Magic: The Gathering Player Sure, anyone can pilot a sweet deck thats bursting with card draw and build around options
Plenty of veterans can tell you stories about Nekusar, the Mindrazer being enchanted by Corrupted Conscience, or how a sneaky Tainted Strike ended a game unexpectedly