Of course, it also has pack tactics, which reads, Whenever Minion of the Mighty attacks, if you attacked with creatures with total power 6 or greater this combat, you may put a Dragon creature card from your hand onto the battlefield tapped and attacking. Nobody likes a surprise Dragon except the player taking advantage of it
Tom Bombadil 10
It slots into deathtouch focused builds, but also GY focused ones, especially in the BG/x sphere
Other Potential Cards There are lots of other cards that work well with Isshin that I would have liked to get into the deck
The latter are interested in cheap bodies that do a thing for sacrifice purposes and flicker decks are all about getting good ETBs over and over to outgrind opponents
Black-Blue-Green are the Sultai, who revere their dead and trawl through the graveyard, all the while persisting and controlling the board Green Blue Red are the Temur, all about casting big powerful creatures, generating the mana to do so, and annihilating the opposition in a rain of dragonfire