mtg.wtf

Whenever a permanent you control is dealt damage, Howlpack Avenger deals that much damage to any target.
{1}{R}: Howlpack Avenger gets +2/+0 until end of turn.
Nightbound

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Howlpack of Estwald.

Hideaway 4
Howltooth Hollow enters the battlefield tapped.
{T}: Add {B}.
{B}, {T}: You may play the exiled card without paying its mana cost if each player has no cards in hand.

When you encounter Human-Time Lord Meta-Crisis, each player chooses one or two creatures they control. Each player creates a token that's a copy of the first creature they chose, except it isn't legendary. Then each player who chose a second creature puts a number of +1/+1 counters on the token they created equal to the power of the second creature they chose.

Flying
Whenever you attack with two or more creatures,
Augment {3}{W} ({3}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Each Head gains indestructible until the end of the Hydra's next turn.

As Hydroelectric Laboratory enters the battlefield, you may pay 3 life. If you don't, it enters the battlefield tapped.
{T}: Add {U}.

The first creature spell you cast each turn costs {1} less to cast.
You can't cast instant or sorcery spells.

Suspend 3—{1}{G}{G}
Starting with you, each player may put an artifact, creature, enchantment, or land card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

Whenever you crank Hypnotic Swirly Disc, target player mills X cards, where X is the number of creatures you control.

Each opponent can't cast more than one spell each turn.
At the beginning of your upkeep, if no opponent cast a spell since your last turn ended, abandon this scheme.

When you set this scheme in motion, each other player searches their library for a card, reveals it, and puts it into their hand. Then you search your library for two cards and put them into your hand. Each player shuffles.

When you set this scheme in motion, each opponent loses 3 life. You gain life equal to the life lost this way.

Untap all permanents you control during each opponent's untap step.
At the beginning of each end step, if three or more cards were put into your graveyard this turn from anywhere, abandon this scheme.

Icatian Store enters the battlefield tapped.
You may choose not to untap Icatian Store during your untap step.
At the beginning of your upkeep, if Icatian Store is tapped, put a storage counter on it.
{T}, Remove any number of storage counters from Icatian Store: Add {W} for each storage counter removed this way.

You may choose not to untap Ice Floe during your untap step.
{T}: Tap target creature without flying that's attacking you. It doesn't untap during its controller's untap step for as long as Ice Floe remains tapped.

Ice Tunnel enters the battlefield tapped.

Whenever Iceberg Titan attacks, you may tap or untap target artifact or creature.

Idyllic Beachfront enters the battlefield tapped.

Idyllic Grange enters the battlefield tapped unless you control three or more other Plains.
When Idyllic Grange enters the battlefield untapped, put a +1/+1 counter on target creature you control.

{T}: Add {C}.
{T}, Pay 1 life: Add {B}.
{2}{B}{B}, {T}, Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

When you set this scheme in motion, create a token that's a copy of target permanent an opponent controls.

Hidden agenda
Creatures you control with the chosen name have haste.

Whenever a creature enters the battlefield, that creature's controller may have it deal damage equal to its power to any target of their choice.
Whenever chaos ensues, exile target creature, then return it to the battlefield under its owner's control.

Immersturm Skullcairn enters the battlefield tapped.
{T}: Add {B}.
{1}{B}{R}{R}, {T}, Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.