Clockwork Beast [Beta Edition] XY147 Set: Wizards of the Coast:

Set: Wizards of the Coast: Black Star Promos Type: Fire Rarity: Promo Retreat cost: Colorless

Set: Welcome to Rathe Edition: Alpha Print Finish: Rainbow Foil Type: Action Subtype: Attack Rarity: Super Rare Class: Ninja Cost: 1 Power: 4 Combo - If Rising Knee Thrust was the last attack this combat chain

If there are no more scream counters on it

Set: Onslaught Type: Enchantment Rarity: Rare Cost: {2}{R}{R} Whenever a creature enters the battlefield

The answer is Pokémon cards

Clockwork Beast [Beta Edition] XY147 Set: Wizards of the Coast:Set: Beta Edition Type: Artifact Creature Beast Rarity: Rare Cost: {6} Clockwork Beast enters the battlefield with seven +1 +0 counters on it. At end of combat, if Clockwork Beast attacked or blocked this combat, remove a +1 +0 counter from it. {X}, {T}: Put up to X +1 +0 counters on Clockwork Beast. This ability can't cause the total number of +1 +0 counters on Clockwork Beast to be greater than seven. Activate only during your upkeep.