For only three more, it reduces the cost of all noncreature spells by one generic mana , and three more after that increases the damage dealt by everything you control by two .
SE Secret Rare Naturia Tulip X EARTH Level 2 [ PlantTunerEffect ] ATK 600 DEF 1500 Each time your opponent activates a Spell/Trap Card, for the rest of this turn all "Naturia" monsters you control will gain 500 ATK
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
For MTG cards, were not talking about home inkjet printers
Vigor makes your creatures effectively unstoppable in combat, and you can do some pretty silly things with red damage-based board wipes like Blasphemous Act (although it doesnt prevent the damage to itself)