Whether you want to protect your own win condition, or stop your opponent from resolving theirs, both of these cards can swing a game in your favor without you needing to hold up any mana
Charizard ex (A2b 108) is a 2-Shiny, Stage 2 Pokemon card from the Shining Revelry set (Shiny Charizard Pack) in Pokemon Trading Card Game Pocket (PTCG Pocket)
Pair it with Treasure engines like Kalain, Reclusive Painter or Prosper, Tome-Bound, and suddenly your plays become unstoppable, keeping opponents from interacting while you push damage
With both The Gitrog Monster and Underrealm Lich in play, survive until you draw a card, or put a land into your graveyard
While Goryos Reanimator is a glass cannon combo deck, it has a few characteristics that make it more reliable than your typical Belcher -style decks: Multiple angles of attack means the deck is less likely to fold to hate cards