Theyre useful abilities for the tribes, and even for commanders with the right creature types
The intention was silliness and I guess that was captured in the excitement you had for brewing it, but it can still be strong
In addition to your normal need for flashback cards, if you're trying to fly to victory with Delver of Secrets, then you're going to need a good number of instants and sorceries so they can turn into Insectile Aberrations
Galvanic Bombardment R Instant Galvanic Bombardment deals X damage to target creature, where X is 2 plus the number of cards named Galvanic Bombardment in your graveyard
Do you seem to have enough land
(They can't be blocked as long as defending player controls an Island.) Creature - Horror Squid Chittering Harvester Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own