yugioh time card Thief Flyback - GFTP-EN068 Ultra Rare An individual card from the Yu Time Thief Perpetua | Card

It doesn't need to be clever

Illustrator: Kazumasa Yasukuni Mega Blastoise ex #84 Mega Blastoise ex (2-Stars, Special Art Rare rarity) is the #84/103 card from the Crimson Blaze set in Pokmon TCG Pocket

River Song is an experimental choice

(2022-12-08) If you discard a card with madness while a spell or ability is resolving, it moves immediately to exile

Emerald Dragon Emerald Dragon has the adventure Dissonant Wave that counters an activated or triggered ability, but it must come from a noncreature source so you cant counter an ETB trigger or a creatures activated ability (it wont matter for Thassa's Oracle, basically)

This eventually led to Lin Sivvi being banned in Block Constructed and to a change in the legend rule to avoid one player getting such a massive advantage from playing their copy of the legend first