While not the most powerful Standard card in formats with fetch lands, Deathrite quickly became one of the most broken one-drops of all time, making mana and providing life gain, graveyard hate, and even a win condition by draining your opponent out of the game
(Equipment, Auras you control, and counters are modifications.) Illustrated by Lius Lasahido Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
If you have three or more lessons in your graveyard, you can attack and block with The Lion-Turtle, a strong 3/6 creature for 3 mana
Not Enough Cards in the Deck Sometimes you're in the middle of deckbuilding, but then have to save your deck for later and get offline
There are 73 White instants that cost one mana in the modern format
Just a quick note, all these prices come from TCGplayers Market Value and are subject to change