Jolt Counter [WSUP-EN015] Super RareSet: World Superstars Card type: Counter Trap Rarity: Super Rare During the Battle Phase, when a Spell Trap Card, or monster effect, is activated while you control a "Battlin' Boxer" monster: Negate the activation, and if you do, destroy that card.

you may attach Sai of the Shinobi to it

put a +1/+1 counter on Elvish Vanguard

Set: XY: BREAKpoint Type: Water Rarity: Promo Retreat cost: Colorless

the faster they rot

All things were possible with the blessing of the Divine

or +0/+2 counter on it

Set: Beta Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U} Enchant enchantment

Set: Commander 2017 Type: Creature — Dragon Rarity: Mythic Cost: {6}{R}{R} Flying

If he or she chooses the named card

If this card attacks your opponent directly and reduces their LP to 0

Set: Betrayers of Kamigawa Type: Creature — Spirit Rarity: Common Cost: {5}{B} Fear (This creature can't be blocked except by artifact creatures and/or black creatures

If this card attacks your opponent directly and reduces their Life Points to 0