Thats a very irritating effect for your opponents, helping to ward off potential threats that might be too costly for your rivals to sacrifice
The two toughness might actually make this card viable for 60-card formats as one of the best mana dorks in the game
According to Scryfall , a popular MTG database, there are roughly 29,170 unique card names in paper
Kiki-Jiki, Mirror Breaker Kiki-Jiki, Mirror Breaker can do some really absurd things in Commander
Oko comes down on turn three (often sooner, since green is the color of mana ramp), and if you don't have some way to dish out 6 damage right away, there's not much you can do to catch up
On the field this card is a huge threat, making your opponent sacrifice four permanents with each attack and dealing out a ton of damage