duskmourn mtg most expensive cards target attacking creature gets +1/+0 and gains first strike until end of turn. The Mindskinner | Duskmourn: House

The big finishers Arclight Phoenix and Thing in the Ice demand a certain number of resources must had for the cards to do basically anything, thereby providing a nice juicy heel at which to shoot

This makes it mechanically beneficial for you to recreate the moment where he kills Aerith

You need more powerful cards and unique ways of catching up to these decks if you have any hope of turning the corner against them

To solve this, they decided that one of the four decks would be an odd one out, while still paying homage to what was going on

Pay 20 life, get 20 cards

Theres even been some talk of expanding the role of the mechanic, and adding it to other colors