This singular card is the one that made me question the FlickerFlicker synergy criteria, because it doesn't have anything to do with that strategy, and yet it's an absurdly powerful card
Ice - which is our blue card - is an instant that taps another permanent controlled by an opponent and lets the caster draw a card
There are plenty of ways to break it with the help of Elsha of the Infinite or Jhoira, Weatherlight Captain
In the meantime, it will be very good at controlling what your opponent is or isn't drawing
$0.49 Tower of Eons Mirrodin $0.35 Loreseeker's Stone Commander Legends $0.99 Shepherd of Rot Onslaught $2.29 Glaring Fleshraker Modern Horizons 3 $0.59 Farsight Mask Mirrodin $1.99 Horizon Stone Commander Legends $0.35 Pulse Tracker Worldwake $0.69 Null Elemental Blast Modern Horizons 3 $0.35 Sisay's Ring Commander Legends $0.79 Zhalfirin Void Dominaria $0.49 Tower of Murmurs Mirrodin $0.79 Bane of Bala Ged Battle for Zendikar 0 results found
Guildpact has that dubious honour on our list, the expansion which had the unenviable task of following the original, mega-successful Ravnica set, City of Guilds