mtg card that restarts the game Karn Liberated - New Phyrexia and all permanents you own into your library Restart Sequence | Assassin's Creed

You may cast that card without paying its mana cost if the spell's mana value is less than the number of Mountains you control

Legendary Creature - Doctor Time Lord Color tag templates(None) Triskaidekaphile You have no maximum hand size

The earlier you deploy a threat, the less prepared your opponent is to defend themselves or eliminate the threat

In a similar vein, Ruthless Technomancer can provide a ton of excellent utility by producing treasures and enabling reanimation

It might require a commander swap though, since Terra's just not maximized for the precon

This can include decks and cards for other popular formats, such as Commander, or sets that introduce their own casual rules variants