shrouded fable card sleeves Pokemon Center Elite Trainer Box (Exclusive) Case - SV: Shrouded Fable Revavroom ex plugs into the grid to Terastallize into a Lightning type Card Sleeves – Fox Fable

If Adventurer were Modern legal, it would almost certainly be a force to be reckoned with, so the card deserves a spot high on this list

This also yields a free draw

Adding to this the fact that R&D did not have the deck in playtesting, and it would take eighteen months to rotate, meant that Felidar Guardian needed to be banned

R Rare SR Super Rare Forbidden Forbidden Herald of the Arc Light X LIGHT Level 4 [ FairySynchroEffect ] ATK 600 DEF 1000 1 Tuner + 1+ non-Tuner monsters Any monster sent from the hand or Main Deck to the GY is banished instead

This even extends to his victory quotes against Mokuba, his own brother