Illustrated by David Astruga Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
The first place to look for cards would be a Vampire-themed set, such as Innistrad: Crimson Vow
The only downside is that, since it is dependent on lowering the toughness, it might not be able to take down some very big creatures your opponent might control
It has a great static ability of doubling the damage you can do to an opponent during your turns
Meanwhile, instants like Scout's Warning are great for catching your opponents off guard, with cards like Darien, King of Kjeldor letting you make an army of tokens with the right timing
For this reason, players should play best-of-one until reaching Platinum, as this is the easiest way to fast-track climbing the ladder before the ranks reset at the end of the season