If you are running a blue and white Commander deck, you also get access to cards like Brago, King Eternal and Soulherder 5 Loyal Warhound Can Get You An Additional Land On Turn Two Loyal Warhound is a rather fantastic example of a white ramp card
He makes a 1/1 Warrior when he attacks, which gets sacrificed on the next end step
Since Yshtola draws up to four cards a turn cycle, it provides plenty of card advantage to keep up with the table and lets you control them all game long
Not only does it give you a big creature and potentially draw you a card like the rest it also wipes the board, something thats extremely important in games of Commander
The tight 10-15 minute games that always make you want to play one more match, especially if you were defeated
Giving another creature that ability with its ETB is awesome, and if youve got Anger in the graveyard, you get to make two copies of everything