yugioh dark magician trap cards Yu-Gi-Oh! - (SD6-EN003) - Structure Deck 6: Spellcaster's Judgment - 1st Edition may be 1st or Unlimited Edition 80 Best Dark magician cards

Underground Sea The top black dual and the most played Legacy land overall

[c]Jhessian Infiltrator[/c] is a pretty cheap 2/2 unblockable creature so is definitely a good target for Keen Sense

Its fairly easy to interact with due to its redundancy, it takes time to set up, and all the cards have decent utility, assuming you build your deck to take advantage of flicker effects

Similarly, if the effect that creates the token has an additional effect that gives the token an ability, such as "That token gains haste," that effect will also apply to the Thopter

My main complaint from a design aspect is the bonus sheet, of all things