Among AncestralMTGs cheaper options are M15 test prints that range from $250-800
Once each card pile is sleeved, wrap it up in a very thin piece of cardboard and tape the edges together so the cards dont move around during shipment
You can also try to create synergies within your own deck, whether it be with Deaths Shadow as mentioned above, or my personal favourite in Legacy of casting it at your opponents end step and then cast an Uro, Titan of Natures Wrath a three-mana 6/6 creature
Duel School Is Your Friend The Duel School is located in the Gate area of the Duel World, and it is a fantastic resource

Dewgong (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

16 Toxrill, The Corrosive A Serious Threat With Little Escape Printed in Innistrad: Crimson Vow alongside Umbris, while Toxrill, the Corrosive may cost a hefty seven mana, once cast it is capable of single-handedly taking over a Commander game