dracovish pokemon card - 53/189 - Darkness Ablaze discard all Pokémon Tools from your opponents Active Pokémon Amazon.com: Arctovish V - Dracovish

The foil treatment allows the holiday wishes stamped on each promo card to glimmer like your favorite holiday decorations

And they deal damage directly to your opponent's life total

Damage prevention effects can be useful with goad and other forced-attack mechanics like the one on Bident of Thassa

Discard outlets are plentiful in Modern, and six mana isnt hard to come by, especially with Eldrazi Temple and Ugins Labyrinth in the mix

Here's a partial list of other work that has to happen for any card to actually be fully implemented live on MTG Arena (not in order): A producer does a bunch of spreadsheet and database work to properly organize the cards that will be added, including choosing which version of a card will be added for cards with multiple versions

Then that four-cost common will draw three and discard one