But the mechanic invites more creative lines as well
A 3/4 human samurai for three mana, Isshin states that if a creature attacking causes an ability of a permanent under its owner's control to trigger, that ability triggers an additional time
It's strong everywhere, but it has enhanced value in archetypes that care about counters generally, +1/+1 counters specifically, proliferate tricks for multicolor brews looking to add loyalty counters for their planeswalkers, four and five-color decks, Commanders with evasion, Commanders with a power that, when increased by 1 get a faster kill, Equipment, Aura, and Voltron decks looking to get in kills with their Commander, and loads more
Its hard to keep up with this many tokens
An Offer You Can't RefuseAn Offer You Can't Refuse is similar, giving the offending player a peace offering in exchange for being a cheap interactive tool
Smoke Shroud and Aqueous Form make sure your ninjas cant be blocked