Giant Tortoise

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

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Circle of Protection: Black

{1}: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

Serendib Efreet

Flying
At the beginning of your upkeep, this creature deals 1 damage to you.

Rukh Egg

When this creature dies, create a 4/4 red Bird creature token with flying at the beginning of the next end step.

Clay Statue

Artifact Blast

Yotian Soldier

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Air Elemental

Mountain

Shatter

Phantom Monster

Plains

Dwarven Warriors

{T}: Target creature with power 2 or less can't be blocked this turn.

Winter Orb

As long as this artifact is untapped, players can't untap more than one land during their untap steps.

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Circle of Protection: Green

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

City of Brass

Whenever this land becomes tapped, it deals 1 damage to you.
{T}: Add one mana of any color.

White Knight

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Braingeyser

Dragon Engine

{2}: This creature gets +1/+0 until end of turn.

Reconstruction

Return target artifact card from your graveyard to your hand.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Psionic Blast

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

Basalt Monolith

This artifact doesn't untap during your untap step.
{T}: Add {C}{C}{C}.
{3}: Untap this artifact.

Disenchant

Wall of Air

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Island

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Unsummon

Return target creature to its owner's hand.

Green Ward

Enchant creature
Enchanted creature has protection from green. This effect doesn't remove this Aura.

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Stasis

Players skip their untap steps.
At the beginning of your upkeep, sacrifice this enchantment unless you pay {U}.

Power Sink

Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.

Power Artifact

Enchant artifact
Enchanted artifact's activated abilities cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Wrath of God

Destroy all creatures. They can't be regenerated.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Flight

Enchant creature
Enchanted creature has flying.

Flashfires

Ydwen Efreet

Whenever this creature blocks, flip a coin. If you lose the flip, remove this creature from combat and it can't block this turn. Creatures it was blocking that had become blocked by only this creature this combat become unblocked.