Giant Tortoise

This creature gets +0/+3 as long as it's untapped.

Apprentice Wizard

Island

Steal Artifact

Enchant artifact
You control enchanted artifact.

Prodigal Sorcerer

{T}: This creature deals 1 damage to any target.

Wall of Water

Defender (This creature can't attack.)
{U}: This creature gets +1/+0 until end of turn.

Rod of Ruin

{3}, {T}: This artifact deals 1 damage to any target.

Aladdin's Ring

{8}, {T}: This artifact deals 4 damage to any target.

Pirate Ship

This creature can't attack unless defending player controls an Island.
{T}: This creature deals 1 damage to any target.
When you control no Islands, sacrifice this creature.

Jayemdae Tome

Wall of Air

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Fellwar Stone

{T}: Add one mana of any color that a land an opponent controls could produce.

Animate Artifact

Enchant artifact
As long as enchanted artifact isn't a creature, it's an artifact creature with power and toughness each equal to its mana value.