Katsu, the Wanderer [HER003-P] (Promo) 1st Edition Cold Foil WTR200-C Set: Crucible of War Edition:

Set: Crucible of War Edition: 1st Edition Finish: Cold Foil Type: Weapon Subtype: Sword (2H) Rarity: Rare Class: Ninja Power: 1 Once per Turn Action - [1 Resource]: Attack

and your next attack this turn gains +2 [Power]

Set: Arcane Rising Edition: 1st Edition Finish: Rainbow Foil Type: Action Subtype: Attack Rarity: Super Rare Class: Mechanologist Cost: 2 Power: 10 Play Maximum Velocity only if you have boosted 3 or more times this turn

your attack actionc ards with cost 3 or greater gain dominate

If it's an arrow card

Katsu, the Wanderer [HER003-P] (Promo) 1st Edition Cold Foil WTR200-C Set: Crucible of War Edition:Set: Promo Finish: Cold Foil Type: Hero Rarity: Promo Class: Ninja Life: 40 Intellect: 4 Once per Turn Effect When an attack action card you control hits, you may discard a card with cost 0. If you do, search your deck for a card with combo, banish it face up, then shuffle your deck. You may play it this turn.