While the breadth of Modern discard makes this less of a problem, there are still matchups where Thoughtseize isn't very good, such as against decks like Dredge that want cards in their graveyard or against Burn, where the damage you take is relevant
This is usually done via the Rob Lucci Character card from Awakening of the New Era [OP-05]
Include strong Trainer cards that add consistency to the deck, helping to find what is needed and enabling strategies to work effectively
UR Ultra Rare Speedlift X SPELL Quick-Play If you control exactly 1 Tuner and no other monsters: Special Summon 1 Level 4 or lower "Speedroid" monster from your Deck
Poison Mushroom: Because True Exodia causes whoever owns it to lose the game, anyone using the card does so by forcing their opponent to hold such a bad card, as the card states that whoever is controlling it loses the game, not whoever deck it was in
Deadeye Navigator quickly becomes the most worrisome threat when it enters the battlefield across the table from you