Clarion Conqueror stops multiple forms of Activated Abilities
As a member of the Society of Light, Alexis plays a White Night Deck, creating a physical cold in the dueling ring which prevents her opponent from using Spell and Trap Cards using monsters like White Night Dragon and White Night Queen
The Structure Deck Release Celebration event will be held on one of the following days: Saturday, April 16, 2021, Sunday, April 17, 2021, Saturday, April 23, 2021, or Sunday, April 24, 2021 at select locations throughout North America
Gray stamp cards can carry a small premium
You can also stock your graveyard and one-shot your opponents with a card like Living Death or Bojuka Bog targeting yourself, as of course Syr Konrad isn't limited by a "one or more" clause
You may use Fire-type Pokemon with strong attacks in order to counter Mega Steelix ex