This included the Shadow Rider and Ice Rider Calyrex cards and also all three Legendary Birds in stunning Galarian form
Infernal Sovereign Granted, its a hefty mana cost, but the potential return value you get is quite high
Monsters summoned by this effect have their effects negated
Therefore, if you create too complex rule interactions, dense UIs, or cards with multiple steps of interaction, this can overwhelm mobile users (while working perfectly fine on desktop)
Unless the agro player can kill this on sight it ends games quickly, even if it dies before it kills them it has still usually had such an impact on the life totals that the game is out of reach
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