yugioh megarock dragon deck • SGX4-END04 • C – _code_cards(CR) [Rock/Effect] This card cannot be Normal Summoned or Set Megarock Dragon (character) - Yugipedia

This can also be paired with a card like Dark Grepher, which can be Special Summoned by discarding Danger

Three times per turn, if your opponent Special Summons a monster(s) from the Extra Deck, while you control a Normal Summoned Divine-Beast monster (except during the Damage Step): You can negate the Summon, and if you do, banish that monster, and if you do that, inflict damage to your opponent equal to half that monster's original ATK, also until the end of the next turn you cannot Normal or Spacial Summon monsters nor activate the effects of monsters, except Divine-Beast monsters

To do this, follow these steps: Know the Cards You Have Understand the going rate for the card(s) you have

Aleshas strength lies in its versatility

The Winged Dragon Of Ra [Ghost Rare 1st Edition] LED7-EN000 YuGiOh Legendary Duelists: Rage of Ra Keep track of your collection value over time