Seal of Removal

Sacrifice Seal of Removal: Return target creature to its owner's hand.

Cloudskate

Flying
Fading 3 (This creature enters with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Chill

Rishadan Airship

Flying
Rishadan Airship can block only creatures with flying.

Blastoderm

Shroud (This creature can't be the target of spells or abilities.)
Fading 3 (This creature enters with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

City of Brass

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

Creeping Mold

Destroy target artifact, enchantment, or land.

Uktabi Orangutan

When Uktabi Orangutan enters, destroy target artifact.

Forest

Gaea's Cradle

{T}: Add {G} for each creature you control.

Island

Ensnare

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost.
Tap all creatures.

Daze

You may return an Island you control to its owner's hand rather than pay this spell's mana cost.
Counter target spell unless its controller pays {1}.

River Boa

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
{G}: Regenerate River Boa.

Skyshroud Ridgeback

Fading 2 (This creature enters with two fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

War Tax

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.

Tranquility

Waterfront Bouncer

{U}, {T}, Discard a card: Return target creature to its owner's hand.

Wild Dogs

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Wild Dogs.
Cycling {2} ({2}, Discard this card: Draw a card.)

Misstep

Creatures target player controls don't untap during that player's next untap step.

Boomerang

Return target permanent to its owner's hand.

Accumulated Knowledge

Draw a card, then draw cards equal to the number of cards named Accumulated Knowledge in all graveyards.