mtg.wtf

Whenever Pit Scorpion deals damage to a player, that player gets a poison counter.

When Plant Elemental enters the battlefield, sacrifice it unless you sacrifice a Forest.

Put any number of target artifact cards from target player's graveyard on top of their library in any order.

{U}{U}: Tap target creature without flying.

Players play with the top card of their libraries revealed.

As an additional cost to cast this spell, sacrifice a creature.
Add X mana in any combination of {B} and/or {R}, where X is the sacrificed creature's mana value.

Defender
Protection from black

Tap target untapped creature you control. If you do, add an amount of {C} equal to that creature's mana value.

As an additional cost to cast this spell, sacrifice a creature.
Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.

Flying, trample
Whenever The Unspeakable deals combat damage to a player, you may return target Arcane card from your graveyard to your hand.

Whenever a land enters the battlefield, Zo-Zu the Punisher deals 2 damage to that land's controller.

Counter target blue instant spell.

{2}, Exile a nonland card from your hand: Put four time counters on the exiled card. If it doesn't have suspend, it gains suspend.

Each creature that's a Barbarian, a Warrior, or a Berserker gets +2/+2 and has haste.

Add {R}{R}{R}.
Splice onto Arcane {1}{R}

Double strike
Whenever Warren Instigator deals damage to an opponent, you may put a Goblin creature card from your hand onto the battlefield.

Cycling {1}{R}
When you cycle Gempalm Incinerator, you may have it deal X damage to target creature, where X is the number of Goblins on the battlefield.

Goblin Goon can't attack unless you control more creatures than defending player.
Goblin Goon can't block unless you control more creatures than attacking player.

Protection from red
Elemental creatures you control get +1/+1.
When Master of Waves enters the battlefield, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue.

When Tidal Courier enters the battlefield, reveal the top four cards of your library. Put all Merfolk cards revealed this way into your hand and the rest on the bottom of your library in any order.
{3}{U}: Tidal Courier gains flying until end of turn.

Lonely Sandbar enters the battlefield tapped.
{T}: Add {U}.
Cycling {U}

Put a flood counter on target land. That land is an Island in addition to its other types for as long as it has a flood counter on it. If you control a Merfolk, draw a card.

Red instant and sorcery spells you control have lifelink.
Whenever a white instant or sorcery spell causes you to gain life, Firesong and Sunspeaker deals 3 damage to target creature or player.

Flying
Landfall — Whenever a land enters the battlefield under your control, create a 0/2 red Dragon Egg creature token with defender and "When this creature dies, create a 2/2 red Dragon creature token with flying and '{R}: This creature gets +1/+0 until end of turn.'"

Commander ninjutsu {U}{B}
Whenever a Ninja you control deals combat damage to a player, reveal the top card of your library and put that card into your hand. Each opponent loses life equal to that card's mana value.