Thundermare [Portal]

Thundermare [Portal]Set: Portal Type: Creature Elemental Horse Rarity: Rare Cost: {5}{R} Haste (This creature can attack and {T} as soon as it comes under your control.) When Thundermare enters the battlefield, tap all other creatures.

Voice of the Argoth forest

enchantments

Set: EX: Dragon Frontiers Type: Fighting Rarity: Common Retreat cost: Colorless

Once per Turn Action - Remove a haunt counter from Ghostly Touch: Until end of turn

you may play that card without paying its mana cost

Set: HeartGold & SoulSilver: Triumphant Type: Water Rarity: Common Retreat cost: Colorless

Set: XY: Kalos Starter Set Type: Colorless Rarity: Common Retreat cost: Colorless

Set: Sword & Shield: Base Set Type: Colorless Rarity: Secret Rare Retreat cost: Colorless

Set: Platinum: Rising Rivals Type: Fire Rarity: Holo Rare Retreat cost: Colorless

put a -1 [Defense] counter on it when the combat chain closes then destroy it if it has 0 [Defense]

They don't untap during their controller's next untap step

action card effects that deal arcane damage instead deal that much arcane damage plus X