It didnt matter that you were able to replenish your energy cards, Seismitoad could use them over and over to leave you with nothing in the field
Against a field of early-game triomes and shock lands, this just works to destroy everyones early mana bases
Its value is almost entirely driven by its charm
More Liquid for Smaller Buyers : Easier to sell or trade since more people can afford it, reducing holding time
With a market price of $8, it offers a high aesthetic return on investment for collectors who prefer indie-style illustrations over standard CGI
1-mana removal, even with a downside, can be a powerful tempo play, and you can target your own creatures, in particular your indestructible creatures, to get some upside