High Tide

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

Copy Artifact

You may have this enchantment enter as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Prodigal Sorcerer

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

Air Elemental

Mox Sapphire

Boomerang

Return target permanent to its owner's hand.

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Time Walk

Mana Short

Tap all lands target player controls and that player loses all unspent mana.

Psionic Blast

Psionic Blast deals 4 damage to any target and 2 damage to you.

Portent

Look at the top three cards of target player's library, then put them back in any order. You may have that player shuffle.
Draw a card at the beginning of the next turn's upkeep.

Old Man of the Sea

You may choose not to untap this creature during your untap step.
{T}: Gain control of target creature with power less than or equal to this creature's power for as long as this creature remains tapped and that creature's power remains less than or equal to this creature's power.

Force of Will

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.
Counter target spell.

Braingeyser

Counterspell

Control Magic

Enchant creature
You control enchanted creature.

Ancestral Recall

Jayemdae Tome

Unsummon

Return target creature to its owner's hand.

Timetwister

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Clone

You may have this creature enter as a copy of any creature on the battlefield.

Mana Drain

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Sol Ring

Island

Library of Alexandria

{T}: Add {C}.
{T}: Draw a card. Activate only if you have exactly seven cards in hand.