mtg.wtf

Slipstream Serpent can't attack unless defending player controls an Island.
When you control no Islands, sacrifice Slipstream Serpent.
Morph {5}{U}

Enchant land
Enchanted land has "{T}: Create a 5/5 green Beast creature token with trample."

Flying
At the beginning of your end step, you gain 3 life if Sphinx Sovereign is untapped. Otherwise, each opponent loses 3 life.

Flying
At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase.

Flying, first strike, vigilance, lifelink, protection from red and from green

Prototype {3}{U} — 2/3
Flying
When Spotter Thopter enters, scry X, where X is its power.

Flying, vigilance
Other creatures you control have ward {2}.
Suspend 6—{1}{U}

Trample, indestructible
Whenever another creature you control attacks, it gains trample and indestructible until end of turn.

Islandwalk
All lands are Islands in addition to their other types.
Creatures without flying or islandwalk can't attack.

Vigilance
Ward {4}
When Su-Chi Cave Guard dies, add eight {C}. Until end of turn, you don't lose this mana as steps and phases end.

Open a sealed Magic booster pack, reveal the cards, and put all creature cards revealed this way onto the battlefield under your control. They're Zombies in addition to their other types. (Remove those cards from your deck before beginning a new game.)

When Sundering Titan enters or leaves the battlefield, choose a land of each basic land type, then destroy those lands.

When Symbiotic Wurm dies, create seven 1/1 green Insect creature tokens.

When Terastodon enters, you may destroy up to three target noncreature permanents. For each permanent put into a graveyard this way, its controller creates a 3/3 green Elephant creature token.

This spell costs {X} less to cast, where X is the greatest power among creatures you control.
Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures.
{2}, {T}: Double target creature's power until end of turn.

Soulshift 7

Bargain
Look at the top twenty cards of your library. You may reveal up to two creature cards from among them. If this spell was bargained, put the revealed cards onto the battlefield. Otherwise, put the revealed cards into your hand. Then shuffle.

At the beginning of each upkeep, you may tap or untap target permanent.

Tidal Kraken can't be blocked.

Flying
Whenever you cast a spell, return target permanent to its owner's hand.

Take an extra turn after this one.
If this card is in your opening hand, you may exile it. If you do, create four Time Walk token cards and shuffle them into your deck.

Trample
Morph {4}{G}{G}{G}

Flying
Delve

As an additional cost to cast this spell, you may sacrifice any number of creatures. This spell costs {2} less to cast for each creature sacrificed this way.
When Torgaar, Famine Incarnate enters, up to one target player's life total becomes half their starting life total, rounded down.

Morph {6}{G}