There are other ways to play with the Power 9, though Alternative: Use Proxies Instead If you're playing in a sanctioned Vintage or Old School tournament, don't do this
And time travel is a way to either speed things up, or slow them down, depending if you want that future to happen or not
There are times when I want to run Goblin Bombardment or other sacrificial or "Do something with a dork" but they require a certain threshold of creatures in your deck to function
With Yuriko, the Tiger's Shadow , your whole deal is striking with low-cost, evasive creatures, then launching your commander into play with ninjitsu, and reaping the rewards: plenty of card draw, and plenty of pain
Enjoy a look through some of the standout MTG lands from her illustrious career