Because this entire deck is indestructible, nothing will happen to any of the players permanents when Worldslayers ability comes into play
The Prologue is limited to common cards, offering a simplified introduction to the system
Cavalry Charge (White-Blue-Black deck)100-card ready-to-play March of the Machine Commander Deck with 2 Traditional Foil Legendary cards and 98 nonfoil cards 10 Planechase cards and 1 planar die to trigger unique abilities and jump across the Multiverse 2-card Collector Booster Sample Packcontains 2 special treatment cards from the March of the Machine main set, including 1 Rare or Mythic Rare and at least 1 Traditional Foil card Deck introduces 10 never-before-seen MTG cards to Commander Accessories1 Foil-Etched Display Commander, 10 double-sided tokens, Life Tracker, and deck box For Competitive EDH None of these precons are really geared toward cEDH, but Id guess that Tinker Time has the best shell for future competitive upgrades
It really is an Everything Thing for your stuff
Mewtwo's role as the ultimate antagonist of the original Pokemon games and the central character of the franchise's first and most emotionally resonant film gives it a narrative gravity that enhances the card's collectible appeal far beyond simple rarity metrics
When you can crew it for its crew cost of four you get to attack with a 5/5 creature with menace