One of the most anticipated cards coming from this set is Iono [Paldea Evolved], a pseudo hand-disruption / draw power card that takes nods from Marnie [Sword and Shield], N [Noble Victories], and Rocket s Admin [Celebrations]
Perhaps the best way is to use a card that discards or sends a card to the Graveyard, then says " and if you do " , or happens to do it as the last event on the card (" then discard 1 card ", for example)
In this case, this is shown by target the attacking monster;
Gallery and List of Poison Cards In addition to cards that have infect or toxic, these are cards that can put poison counters on a player: Crypt Cobra Sabertooth Cobra Suq'Ata Assassin Pit Scorpion Marsh Viper Swamp Mosquito Serpent Generator Hand of the Praetors Ichor Rats Relic Putrescence Virulent Wound Pistus Strike Decimator Web Caress of Phyrexia Reaper of Sheoldred Fynn, the Fangbearer Ajani, Sleeper Agent Norn's Decree Phyresis Outbreak Prologue to Phyresis Infectious Inquiry Vraska, Betrayal's Sting Vraska's Fall Infectious Bite Etali, Primal Conqueror Etali, Primal Sickness Persuasive Interrogators Bloodroot Apothecary Virulent Silencer There are other cards like Corrupted Resolve and Mycosynth Fiend that mention poison counters but don't actually distribute them