Ertai, Wizard Adept: Counterspells — Example Deck
Average Counterspells decklist for Ertai, Wizard Adept, built from 13 community decks.

Test Hand
Creatures 18
Archmage Emeritus$0.76
Disruptive Pitmage$0.18
Disruptive Student$0.30
Glen Elendra Archmage$13.24
Guile$0.78
Hullbreaker Horror$6.00
Laboratory Maniac$2.24
Lullmage Mentor$5.08
Patron Wizard$4.98
Triskaidekaphile$0.78
Voidmage Prodigy$1.61
Wavebreak Hippocamp$0.66
Instants 30
An Offer You Can't Refuse$2.26
Arcane Denial$1.46
Archmage's Charm$1.39
Bane's Contingency$0.19
Brainstorm$1.43
Cancel$0.32
Counterspell$3.43
Cryptic Command$5.74
Cyclonic Rift$41.26
Defabricate$0.19
Disallow$1.51
Disdainful Stroke$0.18
Dismiss$0.12
Dispel$0.37
Dissipate$0.22
Dissolve$0.29
Ertai's Scorn$0.24
Exclude$0.11
Fierce Guardianship$56.78
Force of Negation$49.82
Force of Will$70.22
Mana Drain$52.75
Mystical Tutor$17.28
Negate$0.14
Neutralize$0.24
Rewind$0.41
Saw It Coming$0.34
Swan Song$7.86
Unwind$1.02
Wizard's Retort$0.30
Sorceries 2
Merchant Scroll$5.62
Ponder$2.00
Enchantments 6
Jace's Sanctum$0.77
Omniscience$5.82
Propaganda$3.52
Rhystic Study$69.44
Training Grounds$7.06
Wizard Class$2.82
Planeswalkers 1
Jace, Unraveler of Secrets$1.76
Lands 6
Halimar Depths$0.38
Minamo, School at Water's Edge$60.97
Mystic Sanctuary$0.85
Reliquary Tower$2.76
Riptide Laboratory$0.63
Rivendell$1.74
Basics 28
Island28x
$0.07