18 cards where the text includes “attacks this turn if able”

Aggravate (Avacyn Restored #125)
Arcum's Whistle (Ice Age #311)
Basandra, Battle Seraph (Commander Anthology #174)
Boiling Blood (Weatherlight #92)
Bullwhip (Stronghold #132)
Chemister's Trick (Return to Ravnica #149)
Courtly Provocateur (Magic 2013 #46)
Goblin Diplomats (Duel Decks: Merfolk vs. Goblins #42)
Heckling Fiends (Conspiracy #145)
Imps' Taunt (Tempest #138)
Incite (Magic 2011 #145)
Into the Fray (Saviors of Kamigawa #106)
Kookus (Visions #86)
Nettling Curse (Dissension #48)
Nettling Imp (Summer Magic / Edgar #119)
Norritt (Ice Age #155)
Rage Nimbus (Rise of the Eldrazi #160)
Shipwreck Singer (Conspiracy: Take the Crown #206)

In the blink of an eye, they strode from deep snow to the end of this search.