mtg.wtf

You may choose not to untap Amber Prison during your untap step.
{4}, {T}: Tap target artifact, creature, or land. That permanent doesn't untap during its controller's untap step for as long as Amber Prison remains tapped.

Whenever a player plays a spell that counters a spell that has been played or a player plays a spell that comes into play with counters, that player may counter the next spell played or put an additional counter on a permanent that has already been played, but not countered.

Exile the top eight cards of your library. You may put a land card from among them onto the battlefield. Until end of turn, for each nonland card type, you may cast a spell of that type from among the exiled cards without paying its mana cost.

Target player reveals their hand and discards all nonland cards.

Changeling
{T}: Target creature gains all creature types until end of turn.
{T}: Target creature loses all creature types until end of turn.

Equipped creature gets +3/+0 and is every creature type.
Equip {3}

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Flash
Storm
Enchant creature
Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1.

When Amphin Mutineer enters, exile up to one target non-Salamander creature. That creature's controller creates a 4/3 blue Salamander Warrior creature token.
Encore {4}{U}{U}

{2}{U}: Target creature can't be blocked this turn.

Flying
{2}{U}, Discard a card: Return Amugaba to its owner's hand.

{2}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.

Remove Amulet of Quoz from your deck before playing if you're not playing for ante.
{T}, Sacrifice Amulet of Quoz: Target opponent may ante the top card of their library. If they don't, you flip a coin. If you win the flip, that player loses the game. If you lose the flip, you lose the game. Activate only during your upkeep.

Whenever you become the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.
Creature tokens get -1/-0.

{5}, {T}, Exile Amulet of Unmaking: Exile target artifact, creature, or land. Activate only as a sorcery.

Whenever a permanent you control enters tapped, untap it.

Counter target noncreature spell. Its controller creates two Treasure tokens.

I, II, III — Reveal cards from the top of your library until you reveal a Doctor card, a card with doctor's companion, or a Vehicle card. Put that card into your hand and the rest on the bottom of your library in a random order.

Cumulative upkeep {1}
When Ancestral Knowledge enters, look at the top ten cards of your library, then exile any number of them and put the rest back on top of your library in any order.
When Ancestral Knowledge leaves the battlefield, shuffle your library.

Look at the top seven cards of your library. Put two of them into your hand and the rest into your graveyard.

Target player draws three cards.

Draw three cards, then discard a card.

When Ancestral Statue enters, return a nonland permanent you control to its owner's hand.

As an additional cost to cast this spell, sacrifice an artifact or creature.
Search your library for an Equipment or Vehicle card, put that card onto the battlefield, then shuffle. If it has mana value less than the sacrificed permanent's mana value, scry 2.