If your opponent has one creature in play with three toughness or less , you can cast a Searing Blaze on it, and while holding priority, cast another one targeting the same creature, and you will still get to deal six damage even after the first Searing Blaze resolves and kills the creature
Burn at the Stake is a substitute for an alpha strike, but the results let you skip the combat phase and still eliminate an opponent
Card numbers are from the English set list, spot-check your pull's number and rarity before pricing it
Sword of Light and Shadow sees some Legacy play, so it seems like the best gamble to make at this point since it hasnt spiked yet
In Constructed, this works quite well alongside ways to get Bloodghast into your grvaeyard, such as with various Dredge cards or Faithless Looting
Equipment cards in MTG are artifacts that you place on the field