the most powerful yugioh card Yu-Gi-Oh!: 10 Overpowered Cards, Ranked 15 Most Powerful Yu-Gi-Oh Cards

Venture into the Dungeon (Of Design) I can't believe it's real

Aetherflux Reservoir Agate Instigator Aggravate Ajani, Nacatl Avenger Ancient Animus Ancient Bronze Dragon Angel's Trumpet Angrath, Minotaur Pirate Angry Rabble Ashen Firebeast Ashling the Pilgrim Ashling the Pilgrim Avatar Avengers: Under Siege Axelrod Gunnarson Backfire Banshee's Blade Barrage of Boulders Barrels of Blasting Jelly Bartz and Boko Battle-Scarred Goblin Binding Agony Black Mage's Rod Blasphemous Act Blaster Hulk Blazing Sunsteel Blazing Volley Blisterspit Gremlin Blitzball Stadium Blizzard Brawl Bloated Contaminator Blood for the Blood God

Your opponents Active Pokemon is now Paralyzed and Poisoned

However, it is the heart and soul of the deck and if a player is unlucky enough to not see this in a game they'll lose very quickly

how much ramp to play in EDH is a slightly different question