I would say both of these games are not gamenomics.

They are actually based off of collectible pricing.
or if you want to say they are like a game, then the model is called cardnomics.

This model was made popular by TCG's.
The markets to follow for this would be MTG and Pokemon:TCG

I see no difference in these markets.

A lot of talk is going around that Splinterlands has proven the play2earn model, when it is just a cardnomics model, modeled off of MTG.

I fell the play2earn model will become the norm but right now all the blockchain games I see are nothing more than digital versions of collectible markets.

Everygame from Cryptokitties to Splinterlands, to Axie are just growing off of the FOMO hype of a collectible market with some cardnomics (pack opening) thrown in.

I have some thoughts of how real play2earn will look in the future but I will hold back for now.

Just my 2 cents.