mtg.wtf

You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost. If that spell would be put into their graveyard, exile it instead.
Cipher

Look at the top four cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Flashback {3}{U}{R}

Search the Room — {5}{U}: Roll a d20.
1—9 | Draw a card.
10—20 | Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Each player can't cast more than one spell each turn.

{T}: Add {C}.
{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

Instant and sorcery spells cost {2} less to cast.

Prototype {1}{U}{U} — 2/1
When Arcane Proxy enters, if you cast it, exile target instant or sorcery card with mana value less than or equal to Arcane Proxy's power from your graveyard. Copy that card. You may cast the copy without paying its mana cost.

Arcane Sanctum enters tapped.
{T}: Add {W}, {U}, or {B}.

{T}: Add one mana of any color in your commander's color identity.

{2}, {T}, Sacrifice a land: Draw a card and put a charge counter on Arcane Spyglass.
Remove three charge counters from Arcane Spyglass: Draw a card.

Target creature gets -4/-0 until end of turn.
Learn.

Enchant creature
Enchanted creature gets +2/+2 and has "{T}: This creature deals 1 damage to any target."

{T}: Draw three cards.
{2}{U}{U}: Return Arcanis to its owner's hand.

Flying
When Arcanist's Owl enters, look at the top four cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Enchant creature
Enchanted creature has flying.
Aura swap {2}{U}

Choose target creature. Whenever that creature is dealt damage this turn, it deals that much damage to each other creature and each player.

Modular 3

Trample
Whenever another artifact enters, put a +1/+1 counter on Arcbound Crusher.
Modular 1

Fear
At the beginning of your upkeep, you may move a +1/+1 counter from target creature onto Arcbound Fiend.
Modular 3

Haste
Modular 2

First strike
Modular 4

At the beginning of your upkeep, put a +1/+1 counter on each creature you control with modular.
Modular 6

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager.
Modular 1

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library.
Modular 2

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it.
Modular 1