With this in mind, its no wonder that Commander drives a lot of demand for reprints
Removal wont reset it
If I have two copies of Infernal Spawn of Infernal Spawn of Evil in my library, can I deal 4 damage
[1] Bug Weak against : Fire, Flying, Rock Strong against : Grass, Dark, Psychic Dark Weak against : Bug, Fairy, Fighting Strong against : Ghost, Psychic Dragon Weak against : Dragon, Fairy, Ice Strong against : Dragon Electric Weak against : Ground Strong against : Flying, Water Fairy Weak against : Poison, Steel Strong against : Fighting, Dark, Dragon Fighting Weak against : Fairy, Flying, Psychic Strong against : Dark, Ice, Normal, Rock, Steel Fire Weak against : Ground, Rock, Water Strong against : Bug, Grass, Ice, Steel Flying Weak against : Electric, Ice, Rock Strong against : Bug, Fighting, Grass Ghost Weak against : Dark, Ghost Strong against : Ghost, Psychic Grass Weak against : Bug, Fire, Flying, Ice, Poison Strong against : Ground, Rock, Water Ground Weak against : Grass, Ice, Water Strong against : Electric, Fire, Poison, Rock, Steel Ice Weak against : Fighting, Fire, Rock, Steel Strong against : Dragon, Flying, Grass, Ground Normal Weak against : Fighting Strong against : None Poison Weak against : Ground, Psychic Strong against : Fairy, Grass Psychic Weak against : Bug, Dark, Ghost Strong against : Fighting, Poison Rock Weak against : Fighting, Grass, Ground, Steel, Water Strong against : Bug, Fire, Flying, Ice Steel Weak against : Fighting, Fire, Ground Strong against : Fairy, Ice, Rock Water Weak against : Electric, Grass Strong against : Fire, Ground, Rock Practice is the best way to learn and remember all of the different types strengths and weaknesses
Knight does the same to any enchantments or artifacts as well as gaining you a bit of life against mono-red and mono-white, but the most important tool is Frilled Mystic
