So the flow is roughly: Corona-style MTG cardstock is produced in a few mills

[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

Search your library for up to three basic land cards and reveal them
Fishbone Quills and Sleepys Flutes are usually a lovely target to get rid of with some targeted item removal but with a brand new suite of deadly items to come up against like the Lucky Dime, the Sumerian Talisman or the Vault Door and its time to take item banishment even more seriously
Which packs they receive is dependent upon the opponent, so it is possible to farm specific packs
I think the best way to explain Unholy Strengths weird and out of place art is by comparing it to Muscle Burst from the same artist