Land Enchantment - Saga Urza's Land (CTRL to add secondary) Mass Removal Delayed Blast Fireball Delayed Blast Fireball deals 2 damage to each opponent and each creature they control
Integrating top-tier colorless cards MTG provides the necessary acceleration and neutral support to keep the combo pieces moving
Then, every time the equipped creature attacks, you can search your library for a basic land card
When using the Shift 5 ability, which allows the six-cost card to be played one turn early if a cheaper Merlin can be commandeered for the cause, Merlin gets to make use of another feature called Overdeveloped Brain
The strategy is to play cheap, evasive creatures on turn one, use them to get Yuriko into play on turn two, and then use cards like Brainstorm or Senseis Divining Top to manipulate the top of your library, ensuring you reveal a high-cost card like Draco (16 mana) or Blinkmoth Infusion (14 mana) to deal massive damage to the entire table at once.
This makes Zuko bigger for the next attack, which generates even more mana, allowing you to cast more spells and grow your army even larger