It can be used to protect your own creature as well as to recycle good ETB triggers from cards like Mulldrifter, Solitude, Fury, you name it
Expansions will only remain legal in Standard for at most a couple of years, before rotating out and being replaced
When the sport blew up in the late 1990s and early 2000s, the adults I looked up to in my community derided it as a bunch of cars driving around in a circle for three hours
This means a Treasure token can become a Sol Ring, or a Thran Dynamo could become a Coat Of Arms with ease
Plus, Scouts Warning draws you a card too, so it basically pays for itself
For example, if one opponent controls creatures with powers 4 and 5, and another opponent controls creatures with powers 2 and 7, the creatures with powers 5 and 7 will be sacrificed