In a chaos bag with a maximum of 10 curse tokens, the average damage expected value is 3 to 4, and in actual combat, it is difficult to expect 2 damage due to issues with curse/blessing token accumulation
There are two issues here: firstly, other Attack-boosting Spells and Equip Spells simply give more ATK
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Chaos Emperor Dragon would activate its effect, which sends all cards on the field and both players' hands to the graveyard
If you are on Smartphone, you can hold the picture and choose 'Preview Picture Cards Revealed: Neo Superior Energy ACE SPEC When attached to a Pokmon, this card provides 1 Colorless Energy
If you look closely, you can see that these bottom two results are different printings, the first printed in Commander 2011, and the second the original printing in Ice Age