Lets compare their value: While Fervor is cheaper and on a noncreature permanent (thus making it harder to remove), Anger provides a 2/2 body that wants to be removed
why not replace it with a destruction effect, or an after battle effect?
In fact, many planeswalkers give you game against burn, whether by gaining life, by removing their threats, or just by preserving your life total by being attacked instead
There needs to be various types of reacts here and a marker for rep
As detailed above, The List for BLB consists of cards from SPG.* 3 Uncommons 1 Wildcard of any rarity 1 Rare or mythic rare 1 Traditional foil of any rarity 1 Seasonal full-art basic land Spring 40% Non-foil 32%, traditional foil 8% Summer 30% Non-foil 24%, traditional foil 6% Autumn 20% Non-foil 16%, traditional foil 4% Winter 10% Non-foil 8%, traditional foil 2% 1 Non-foil token or art cardcan be any of the following: Ad/token card (65%) 54 Art cards (30%) 54 Signature art cards (5%) *Starting with Bloomburrow , de-archived cards, commonly known as The List cards, which feature the Planeswalker stamp in the bottom-left corner will no longer appear in Play Boosters