mtg.wtf

{T}, Mill a card: For each colored mana symbol in the milled card's mana cost, add one mana of that color. Activate only as an instant.

Create a 1/1 green Squirrel creature token.
Flashback {1}{G}

Flying
Threshold — As long as seven or more cards are in your graveyard, Childhood Horror gets +2/+2 and can't block.

At the beginning of your upkeep, you may put a +1/+1 counter on Chlorophant.
Threshold — As long as seven or more cards are in your graveyard, Chlorophant has "At the beginning of your upkeep, you may put another +1/+1 counter on Chlorophant."

Exile target card from a graveyard.
Flashback {B}

Flying
Cognivore's power and toughness are each equal to the number of instant cards in all graveyards.

Whenever a player discards a card, you may gain 1 life.

{G}, Discard a card: Crashing Centaur gains trample until end of turn.
Threshold — As long as seven or more cards are in your graveyard, Crashing Centaur gets +2/+2 and has shroud.

{T}: Add {C}.
{5}, {T}: Add {W}{U}{B}{R}{G}.

Choose any number of creatures target player controls. Choose the same number of creatures another target player controls. Those players exchange control of those creatures.

Flying
Whenever Cursed Monstrosity becomes the target of a spell or ability, sacrifice it unless you discard a land card.

{1}, {T}: Add {U}{B}.

{2}, {T}, Sacrifice Darkwater Egg: Add {U}{B}. Draw a card.

At the beginning of your upkeep, exile a card from your graveyard.
Threshold — As long as seven or more cards are in your graveyard, Decaying Soil has "Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {1}. If you do, return that card to your hand."

Destroy target artifact, target creature, target enchantment, and target land.

Exile up to three target cards from a single graveyard.

{W}, Sacrifice Dedicated Martyr: You gain 3 life.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Flashback {4}{G}

If damage would be dealt to you, put that many delay counters on Delaying Shield instead.
At the beginning of your upkeep, remove all delay counters from Delaying Shield. For each delay counter removed this way, you lose 1 life unless you pay {1}{W}.

Return target permanent to its owner's hand.
Flashback {5}{U}{U}

All creatures gain menace until end of turn.
Threshold — If seven or more cards are in your graveyard, creatures can't block this turn.

{T}: Add {C}.
{1}, {T}: Untap target land.

{W}, {T}: Target permanent you control gains protection from instant spells and from sorcery spells until end of turn.

{1}{G}, Sacrifice Diligent Farmhand: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
If Diligent Farmhand is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

{B}, Discard a card: Regenerate Dirty Wererat.
Threshold — As long as seven or more cards are in your graveyard, Dirty Wererat gets +2/+2 and can't block.