Getting two whole Lore that early in the game for removing a key character is massive
If you have another creature or another spell, its trivial to deal more than twenty damage, but seveteen can also actually work if they played an untapped DFC land
Don't get me wrong, I love Kaima -- Auras are one of my favorite archetypes and Goad is one of my favorite mechanics, and I even own a paper Kardur, Doomscourge Goad deck -- but Goad decks are inherently a low/mid power strategy: very strong against Combat-focused decks, weak against Combo decks, and impotent against Sacrifice decks
You could use MTGNexus, which lets you make full sets instead of individual cards, and you can even publish the set to let others view it and give you feedback
Sure they can pay the Ward cost, but then theyre effectively Time Walking themselves to kill your creature
Primarily a collector card with niche competitive viability