Counterspell [Alpha Edition]Set: Alpha Edition Type: Instant Rarity: Uncommon Cost: {U}{U} Counter target spell.

Gruul raider

Set: Platinum: Supreme Victors Type: Fighting Rarity: Holo Rare Retreat cost: Colorless

Set: XY: Fates Collide Type: Fire Rarity: Promo Retreat cost: Colorless

Set: HeartGold & SoulSilver: Base Set Type: Fire Rarity: Rare Retreat cost: Colorless

Set: McDonald's Promos: 2014 Collection Type: Lightning Rarity: Promo Retreat cost: Colorless

Set: Neo Discovery 1st Edition Type: Psychic Rarity: Holo Rare Retreat cost: Colorless

Set: XY: Phantom Forces Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

horsemanship (This creature can't be blocked except by creatures with horsemanship

Set: XY: Generations Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Crucible of War Unlimited Edition: Unlimited Finish: Rainbow Foil Type: Action Rarity: Common Class: Wizard Cost: 1 Deal 3 arcane damage to target hero

rounded up

you may remove a -1[Defense] counter from Valiant Dynamo