"Shield" is not an ability that creatures have and shield counters are not keyword counters
The top five: Brainstorm (blue, 1 mana): Instant, draws three and puts two back, letting you stack your next draw
Phantom Nishoba Loxodon Hierarch Nazahn, Revered Bladesmith Qasali Pridemage Saffi Eriksdotter Mystic Enforcer Knight of the Reliquary Fleetfoot Panther Gaddock Teeg Voice of Resurgence Rhys the Redeemed Tolsimir Wolfblood Wilt-Leaf Liege Sigarda, Host of Herons Sigarda, Heron's Grace Selvala, Explorer Returned Selesnya Guildmage Renegade Rallier Armada Wurm Captain Sisay Centaur Healer Dauntless Escort Dromoka, the Eternal Dragonlord Dromoka Enlisted Wurm Fleecemane Lion Karametra, God of Harvests Kitchen Finks Loxodon Smiter Mirri, Weatherlight Duelist Novablast Wurm Holy crap
Altogether, this is a reasonable budget land, and its worth adding to a Cube that cares about cycling
Spiky hair, giant sword, you know who he is: the unofficial mascot of the 3D Final Fantasy Era with the staying power of sunlight
There are ways to make this card work as a commander