what does x mean on mtg cards the symbol a Magic the Gathering card? How does this interact with

Creature Artifact - Horror Phyrexian Color tag templates(None) Plague Spitter At the beginning of your upkeep, this creature deals 1 damage to each creature and each player

Veil of Summer Veil of Summer is a situational card as you and other permanents you control only gain hexproof from specific colors until the end of the turn

It allows you to turn any non-Ooze creature into a vanilla X/X creature based on the sacrificed creature's power

Yes, Vampires are good in MTG and among the most supported and powerful tribes in the game

Magic has over 20,000 unique cards to choose from, and even if you narrow that down by removing the color(s) you cant play, that still leaves you with thousands of potential card choices