Shield of Kaldra [Darksteel] Urza's Destiny Set: Lorwyn Type: Creature —

Set: Lorwyn Type: Creature — Elemental Incarnation Rare Cost: {3}{G}{G}{G} Trample If damage would be dealt to another creature you control

Cycling {2} ({2}

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you

Niv-Mizzet

Set: Pro Tour Promos Type: Legendary Creature — Dragon Rarity: Rare Cost: {3}{G}{W}{U} Flying

Shield of Kaldra [Darksteel] Urza's Destiny Set: Lorwyn Type: Creature —Set: Darksteel Type: Legendary Artifact Equipment Rare Cost: {4} Equipment named Sword of Kaldra, Shield of Kaldra, and Helm of Kaldra have indestructible. Equipped creature has indestructible. (Damage and effects that say "destroy" don't destroy it.) Equip {4}