best energy counter cards mtg TIL that the first card to ever use "energy counters" was Vortex, a very janky blue rare enchantment from Mirage Block, way back in 1996. : r/magicTCG The 5 Best Energy Commanders

When it or another creature enters the battlefield under your control, you can pair them together

For example, Wicker Witch (an artifact creature) along with Catalog (an instant) and Chaplain's Blessing (a sorcery) will enable delirium

It doesnt matter if its an enter the battlefield, combat, or activated ability, you get to double it up

Paired with cards like Soul Warden and Soul's Attendant, players can even immediately gain that lost life back and create an immense army of soldiers

Theyre usually instants cast in response to another spell on the stack, where they can target it to send it to the graveyard rather than allow it to resolve