You tap it, draw two and discard three
When damage is prevented this way, Phyrexian Vindicator deals that much damage to any other target

Full Set Price $12,461 123 of 125 cards priced Days Since Release 1,117 Jul 1, 2023 % Up 30d 73% 90 of 123 cards gained 7d Top Mover Flotsam & Jetsam - Entangling Eels+21.7%$6.72 30d Top Mover Heihei - Boat Snack+204.4%$8.25 Featured Product Sort by Rarity Cards in this set Disney Lorcana Promo Cards Full Card List 125 cards 1 Dragon Fire 1 Dumbo - The Flying Elephant 1 Pegasus - Gift for Hercules 1 Prince John - Gold Lover 1 Rapunzel - Appreciative Artist 2 Alice - Accidentally Adrift 2 Donald Duck - Pie Slinger 2 Elsa - Ice Maker (Foil) 2 Kristoff - Reindeer Keeper 2 Let It Go (Disney Lorcana Challenge Top 128) 3 Cinderella - Stouthearted 3 Mulan - Charging Ahead (Foil) 3 Nala - Mischievous Cub 3 Stitch - Rock Star 3 The Queen - Conceited Ruler 4 Finders Keepers 4 Maleficent - Monstrous Dragon (Store Championship Participant) 4 Rapunzel - Gifted with Healing 5 Chicha - Dedicated Mother 5 Maleficent - Monstrous Dragon (Store Championship) 5 Mickey Mouse - Brave Little Tailor (Serial Numbered) 6 Elsa - Ice Maker 6 Elsa - The Fifth Spirit 6 Invited to the Ball 6 Stitch - Team Underdog 7 Cursed Merfolk - Ursula's Handiwork 7 Elsa's Ice Palace - Place of Solitude 7 Mirabel Madrigal - Family Gatherer (Store Championship) 7 Mulan - Charging Ahead 8 Iago - Out of Reach 8 Kuzco - Temperamental Emperor 8 Mickey Mouse - Detective 8 Simba - Pride Protector 8 Stitch - Alien Buccaneer (Stitch Collector's Gift Set Promo) 8 Strength of a Raging Fire 9 Aladdin - Intrepid Commander 9 Baymax - Armored Companion 9 Heihei - Boat Snack 9 Sisu - Daring Visitor 10 A Whole New World 10 Let It Go (Disney Lorcana Challenge) 10 Mickey Mouse - True Friend (Disney Cruise Promo) 10 Rescue Rangers Away

Adding together how classic this card is and its rarity and legacy, it's no surprise it is as expensive as it is
Prerelease Pack The Adventures in the Forgotten Realms Prerelease is your first opportunity to play with Adventures in the Forgotten Realms cards with your own hands
The first version of Explorer's Bane seems like it's in the right spot I'm not a fan of 1/turn things and (as you pointed out) exploring on discard is self-fueling