For three Energy, you can use Concentrated Fire
If Eliminate the Competition has a home, its probably in a sacrifice deck, a sort of Aristocrats-style G/B deck or something similar
Anyway, Amulet of Safekeeping is probably good enough to see at least marginal Modern and even Legacy sideboard play
Ironscale Hydra could still see play in a deck looking for a specific type of protection and counter synergy, but it may not be a top-tier choice in a competitive setting
One playstyle benefits more from this change than the others, being Team Plasma () and Virizion Genesect decks, which can still gust via Genesect EX's Red Signal Ability (EX)
For me, I stuck to a balanced store design with a section for people to play, shelves to buy packs of cards, and a section to display and sell individual cards