Your opponents can always just play a single spell on their turn if they are constantly casting a big spell spending all their mana then not really affecting them anyway
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They have a much smaller window for coming into play tapped, letting you leverage them for more of the game
While a little lackluster in stats, as is expected of the Puppy archetype, Patch does gain more lore as long as another Puppy is in play
Kaya, Spirits Justice Justice for all Murders at Karlov Manors planeswalker is Kaya, Spirits Justice, a four-mana white and black planeswalker with three loyalty
Jace, the Mind Sculptor [Best Planeswalker for Control Strategies] Jace, the Mind Sculptor gives you a Brainstorm every turn at zero loyalty cost