Burning-Tree Shaman
Buy at Card Kingdom$0.49

Cheapest priced copy (RNA Guild Kit): $0.49 at Card Kingdom, near mint, their price list as of .

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Burning-Tree Shaman {1}{R}{G}

Creature — Centaur Shaman · 3/4 · Rare · Guildpact · #105

Whenever a player activates an ability that isn't a mana ability, this creature deals 1 damage to that player.

Legal inCommanderModernLegacyVintage

Not legal inBrawlStandardPioneerPauper

2 printings · $0.49 to $2.99 at Card Kingdom
SetNumberRarityCard KingdomFoil
RNA Guild Kit89Rare$0.49—
Guildpact105Rare$0.49$2.99
2 rulings from Wizards of the Coast
  1. 1 February 2006A mana ability is an ability that adds mana, not one that costs mana to activate.
  2. 15 April 2013A mana ability is an ability that (1) isn't a loyalty ability, (2) doesn't target, and (3) could add mana when it resolves.