This is an old deck of mine that I played back when it was Standard. I found it recently and figured, what the heck, I'll make it extended and start playing it again, but some time has passed since I last played the deck and I would like to know what, if anything, I could do to improve the deck. Things to change, take out, put in, sideboard, etc. Thank you for your time.
4 Venerated Teacher
2 Champion's Drake
2 Soul Seizer
2 Ludevic's Test Subject
2 Enclave Cryptologist
2 Hada Spy Patrol
2 Lighthouse Chronologist
2 Echo Mage
2 Student of Warfare
2 Knight of Cliffhaven
2 Transcendent Master
2 Hedron-Field Purists
2 Kabira Vindicator
2 Training Grounds
3 Ghostly Flicker
2 Inexorable Tide
2 Time of Heroes
2 Chalice of Life
Lands: 22
4 Sejiri Refuge
10 Island
8 Plains
Standard Deck(s)
Nayaish Slivers
(W/G)Selesnya Populate(G/W)
Dega Midrange
Extended Deck(s)
(R/G)Transforming Werewolves(G/R)
Modern Deck(s)
Slivggro
(W/U)Level Up(U/W)
(W/G)Muraganda Vanilla(G/W)
Standard Deck(s)
Nayaish Slivers
(W/G)Selesnya Populate(G/W)
Dega Midrange
Extended Deck(s)
(R/G)Transforming Werewolves(G/R)
Modern Deck(s)
Slivggro
(W/U)Level Up(U/W)
(W/G)Muraganda Vanilla(G/W)