25 cards where (the card types include “instant” or the card types include “sorcery”) and the mana value <= 2 and the set is “znr” and (the rarity is equal to common)

Adventure Awaits (Zendikar Rising #177)
Anticognition (Zendikar Rising #45)
Blood Beckoning (Zendikar Rising #92)
Chilling Trap (Zendikar Rising #50)
Cleansing Wildfire (Zendikar Rising #137)
Dauntless Unity (Zendikar Rising #9)
Deliberate (Zendikar Rising #56)
Disenchant (Zendikar Rising #10)
Feed the Swarm (Zendikar Rising #102)
Inordinate Rage (Zendikar Rising #144)
Into the Roil (Zendikar Rising #62)
Might of Murasa (Zendikar Rising #194)
Negate (Zendikar Rising #71)
Oblivion's Hunger (Zendikar Rising #119)
Practiced Tactics (Zendikar Rising #32)
Pressure Point (Zendikar Rising #33)
Rabid Bite (Zendikar Rising #199)
Reclaim the Wastes (Zendikar Rising #200)
Resolute Strike (Zendikar Rising #35)
Roil Eruption (Zendikar Rising #155)
Shell Shield (Zendikar Rising #79)
Sizzling Barrage (Zendikar Rising #162)
Strength of Solidarity (Zendikar Rising #206)
Subtle Strike (Zendikar Rising #128)
Tormenting Voice (Zendikar Rising #172)

The message was clear to Sorin—time to search for something else.