These errors are not typically sought after by collectors either, unless theyre on a high end playable
The Mirran Sword Cycle Sword of Body and Mind Sword of Feast and Famine Sword of Fire and Ice Sword of Forge and Frontier Sword of Hearth and Home Sword of Light and Shadow Sword of Once and Future Sword of Sinew and Steel Sword of Truth and Justice Sword of War and Peace Sword of Wealth and Power There are lots of swords in Magic, but when talking about the sword cycle Im referring to any card named Sword of X and Y (not counting the Un -set addition, Sword of Dungeons & Dragons)

Retreat: CCC Weakness: W Resistance: None ------------------------------------------------------------------------------ Ponyta A10 - Common Type: Fire Evolution: Basic Pokemon Level: 10 HP: 40 CC - Smash Kick (20) RR - Flame Tail (30) Retreat: C Weakness: W Resistance: None ------------------------------------------------------------------------------ Magmar A11 - Uncommon Type: Fire Evolution: Basic Pokemon Level: 24 HP: 50 RR - Fire Punch (30) RRC - Flamethrower (50) Effect: Discard 1 R Energy card attached to Magmar in order to use this attack
But these are hundreds of dollars apiece, you typically have to invest in multiples for them to really matter, and there are plenty of other options out there
Crush Card Virus A crippling trap card in an already powerful deck, the Crush Card Virus is arguably Kaibas strongest trap card during the Duelist Kingdom arc
The truly hungry frog munches on your mana sources, but lets you spit them out from your hand at twice the rate as normal