Boomerang

Return target permanent to its owner's hand.

Giant Tortoise

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

Conch Horn

{1}, {T}, Sacrifice this artifact: Draw two cards, then put a card from your hand on top of your library.

Darksteel Colossus

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Indestructible (Damage and effects that say "destroy" don't destroy this creature.)
If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner's library instead.

Island

Hollow Trees

This land enters tapped.
You may choose not to untap this land during your untap step.
At the beginning of your upkeep, if this land is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from this land: Add {G} for each storage counter removed this way.

Urza's Bauble

{T}, Sacrifice this artifact: Look at a card at random in target player's hand. You draw a card at the beginning of the next turn's upkeep.

Control Magic

Enchant creature
You control enchanted creature.

Lifetap

Whenever a Forest an opponent controls becomes tapped, you gain 1 life.

Unsummon

Return target creature to its owner's hand.

Word of Undoing

Return target creature and all white Auras you own attached to it to their owners' hands.

Counterspell

Ray of Erasure

Target player mills a card.
Draw a card at the beginning of the next turn's upkeep.

Concentrate

Acid Rain

Barbed Sextant

{1}, {T}, Sacrifice this artifact: Add one mana of any color. Draw a card at the beginning of the next turn's upkeep.