yugioh cards that add spells to hand YU-GI-OH! - Spell Reproduction (LCJW-EN101) - Legendary Collection 4: Joey's World - 1st Edition Return of the Duelist If

If you can manage to have this card in your hand, Royal Magical Library on the field, AND Gearfried The Iron Knight on the field, youre able to infinitely recur this card to your hand using the effect of itself and Gearfried The Iron Knight

At least the description calls this penguin very rare

Cyber-Stein (SJC-EN001) Pay 5000 LP, summon any Fusion Monster from your Extra Deck

Even Evil Has Loved Ones: Roman and Rex are very close brothers, even though both are "evil" villains as the series progresses

A PSA Gem Mint 10 Crush Card Virus #EN004 sold for a dollar shy of $50,000 in June 2020, one of just two transactions ever documented on the PSA website for this very rare Yu-Gi-Oh

Raise him- and his ATK- to break the limits