That first line that gives him a discount for each land in your graveyard also affects his commander tax, which means that with a little setup, casting a 6/6 for 3 mana can become somewhat trivial
Card Name Mana Cost Type Legendary Creature Bird Monk Rarity Mythic Rare rules Text FlyingWhenever an opponent casts a spell, put a +1/+1 counter on Ishai.Partner (You can have two commanders if both have partner.) Flavor Text "Through me, the Great Teacher's voice will rattle this world." P/T Number 12 Language English Legal Formats Commander, Historic, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Modern, Pauper, Pioneer, Standard, Timeless Rulings (11/10/2020) An ability that triggers when a player casts a spell resolves before the spell that caused it to trigger
Why Magic fans will enjoy it: KeyForge ditches the deckbuilding but keeps the depth
Perhaps too easy, as the card is banned in Modern and Legacy for good reason