Zergling Hydra Ultra Lurker Muta Guard Devourer
Zergling Attack Attack Armor Armor N/A N/A N/A
Hydra Armor Attack Attack Armor Attack Attack N/A
Ultra Attack Attack Attack Attack N/A N/A N/A
Lurker Attack Attack Attack Attack N/A N/A N/A
Muta N/A Armor N/A N/A Attack N/A Armor
Guard N/A Armor N/A N/A N/A N/A N/A
Devourer N/A N/A N/A N/A Attack N/A Armor
Marine Armor Attack Armor Attack Attack Attack N/A
Firebat Armor Attack Attack Attack N/A N/A N/A
Goliath Armor Attack Attack Armor Attack Attack N/A
Tank Attack Attack Attack Attack N/A N/A N/A
Vulture Attack Attack Attack Attack N/A N/A N/A
Wraith N/A Attack N/A N/A Attack N/A Attack
BC N/A Attack N/A N/A Attack N/A Attack
Valkyrie N/A N/A N/A N/A Armor N/A Armor
Zealot Attack Attack Armor Armor N/A N/A N/A
Goon Attack Attack Attack Attack Attack Attack N/A
Archon Attack Attack Attack Attack Attack Attack N/A
DT Attack Attack Attack Attack N/A N/A N/A
Carrier N/A Attack N/A N/A Attack N/A Attack
Scout N/A Attack N/A N/A Attack N/A Attack
Corsair N/A N/A N/A N/A Armor N/A Armor

The Top units, From left to right, Are your units, The vertical units, From top to bottom, Are enemy units, Just run a cross from your unit to enemy unit and you'll see what to upgrade. It's correct as i could make it

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