Having to sacrifice a creature every time anybody plays a spell is the scientifically proven opposite of awesome
The best part of Toski is that they come with the incredibly strong ability to force their way through being countered in any way

Lightning Energy (1st Edition) 1999 Nintendo Pokemon Game PSA Set Registry: Collecting the 1999 Pokmon 1st Edition Gaming Card Base Set, the Series that Started It All PSA Set Registry: Collecting the 2000 Pokemon Team Rocket 1st Edition Card Set An Eye on the Prize: Collecting Pokemon Trophy Cards Collector Profile: Scott Pratte, Profiling a Premier Pokemon Trading Card Prognosticator PSA Set Registry: Collecting the 1999 Pokmon Fossil 1st Edition Card Set PSA Set Registry: Collecting the 1999 Pokmon Jungle 1st Edition Card Set PSA Set Registry: Collecting the 2000 Pokmon Gym Challenge 1st Edition Card Set PSA Set Registry: Collecting the 2000 Pokmon Gym Heroes 1st Edition Card Set PSA Set Registry: Collecting the 2000 Pokmon Neo Genesis 1st Edition Set PSA Set Registry: Collecting the 2001 Pokmon Neo Discovery 1st Edition Set Collector Profile: Zack Browning A Pokmon Collector Who Has Grown with the Hobby PSA Set Registry: Collecting the 2001 Pokmon Neo Revelation 1st Edition Set PSA Set Registry: Collecting the 2002 Pokmon Neo Destiny 1st Edition Set PSA Set Registry: Collecting the 2002 Pokmon Expedition Set - An "e-Xciting" and Overlooked Card Issue PSA Set Registry: Collecting the 2002 Pokmon Legendary Collection Set

Sure, it sucks up a bunch of mana, but if you possess the resources, why not have options with it
However, if youre planning to buy some of the boosters, what cards should you be looking out for, or conversely, which cards might have their single value hit most thanks to the reprints