Sure, the Thunderbolt attack is quite expensive at three Lightning Energy, but when there's a need for a surefire attack, it's the only real option
Delirium Unholy Heat deals 6 damage instead if there are four or more card types among cards in your graveyard
1 Panharmonicon, Felidar Guardian, and Restoration Angel (or Spark Double) The go-to infinite blink combo uses cards we've already seen, Panharmonicon and Restoration Angel, alongside Felidar Guardian
However, mixing it with Tear , which can destroy an enchantment at instant speed, makes this card a staple in many sideboards as it can deal with a lot of threats
They dont rely on too many monsters, but also the card arts have plenty of alternate printings that can make your deck look significantly different aesthetically