If you're playing with sleeves, a small slip of paper is an acceptable option provided it does not noticeably impact thickness within the sleeve
Many of them were done on modern card backs and it is one of the number one things which stand out if you trying to spot one
Kona never saw much play in Standard, so I dont expect this will either.
Legendary Creature - Human Cleric Color tag templates(None) Tura Kennerd, Skyknight Flying Whenever you cast an instant or sorcery spell, create a 1/1 white Soldier creature token
Top commanders MTG: Atraxa, Praetors' Voice Edgar Markov Vivi Ornitier Teval, the Balanced Scale Baylen, the Haymaker The Necrobloom Kenrith, The Returned King Muldrotha, The Gravetide Tymna The Weaver The Gitrog Monster Isshin, Two Heavens As One Yuriko, the Tiger's Shadow Sauron, The Dark Lord The Ur Dragon Kaalia Of The Vast Lathril, Blade Of The Elves Pantlaza, Sun Favored Shroofus Sproutshire Atraxa, Grand Unifier Atraxa, Praetors' Voice While not quite the dominant force she was in 2016, Atraxa, Praetors' Voice still makes for a top commander
