yugioh season 4 cards Yu-Gi-Oh! - Kycoo The Ghost Destroyer (HL04-EN005) - Hobby League - Promo Edition The 29 most expensive Yugioh

I would consider tracking cards like: Base Set Charizard Unlimited 1st Ed

Retreat the Paralyzed Pokemon : If you have a card like Koga that forces a retreat, you can use it to remove Paralysis

27, the Pokmon TCG Mega Evolution Three Booster Blister is $55.01 at Amazon, a rare instance of Pokmon TCG selling for market value compared to TCGplayer

This actually might be somewhat playable, as having an emergency get-me-a-land-of-a-particular-color spell can be important some early games, even if it doesn't ramp

Revel in Riches rewards you for your opponents creatures dying, and for playing treasures two things that tend to happen a lot in the average game