mtg flip coin cards Top 10 Coin-Flip in Magic: The Gathering Flick a Coin deals 1 damage to any target o:flip o:a o:coin · Scryfall

The legendary is a six-drop Vampire flyer and it gives all Black dorks +1/+1 (even your foes) and non-Black dorks -1/-1, so that's pretty compelling in a Black brew but it pumps around 20% of your foe's things and it's better in two color decks with multicolor stuff that includes Black

You could also throw partner it up with a red Background enchantment and play Rakdos (red/black) sacrifice strategies, such as stealing an opponent's big creature with an Act of Treason or Besmirch before sacrificing it to Shadowheart

You might draw one when your foe controls no creatures or when you need something else, like a creature of your own

Its still a decent card, though

It costs six mana, but you scry the top three cards of your library, then reveal the top card and draw cards equal to its mana cost

It is relatively inexpensive to cast and level up, with the final level letting you draw an extra card for each opponent with one or fewer cards in hand