Tireless Tracker [Shadows over Innistrad Prerelease Promos] World Enchantment Set: Kaladesh Prerelease Promos Type:

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

They tunneled

Each player who doesn't win the subgame loses half their life

Set: Arabian Nights Type: Sorcery Rarity: Uncommon Cost: {4}{G}{G} Destroy target permanent

instead remove all damage from it and destroy this Aura

Tireless Tracker [Shadows over Innistrad Prerelease Promos] World Enchantment Set: Kaladesh Prerelease Promos Type:Set: Shadows over Innistrad Prerelease Promos Type: Creature Human Scout Rarity: Rare Cost: {2}{G} Whenever a land enters the battlefield under your control, investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, put a +1 +1 counter on Tireless Tracker.