M:tG card similarity search
5BB · Creature — Dragon Horror
Flying At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it. Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value. 6/6
| Name | Mana | Type | Text |
|---|---|---|---|
| Lavabrink Venturer | 2W | Creature — Human Soldier | As Lavabrink Venturer enters the battlefield, choose odd or even. (Zero is even.) Lavabrink Venturer has protection from each mana value of the chosen quality. 3/3 |
| Havengul Laboratory | Legendary Land | {T}: Add {C}. {4}, {T}: Investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") At the beginning of your end step, if you sacrificed three or more Clues this turn, transform Havengul Laboratory. | |
| Mimic Vat | 3 | Artifact | Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard. {3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step. |
| Primal Wellspring | Land | (Transforms from Primal Amulet.) {T}: Add one mana of any color. When that mana is spent to cast an instant or sorcery spell, copy that spell and you may choose new targets for the copy. | |
| Ugin's Insight | 3UU | Sorcery | Scry X, where X is the highest mana value among permanents you control, then draw three cards. |
| Tail the Suspect | GU | Sorcery — Adventure | Investigate. You may play an additional land this turn. (Then exile this card. You may cast the creature later from exile.) |
| Dubious Challenge | 3G | Sorcery | Look at the top ten cards of your library, exile up to two creature cards from among them, then shuffle. Target opponent may choose one of the exiled cards and put it onto the battlefield under their control. Put the rest onto the battlefield under your control. |
| Argothian Wurm | 3G | Creature — Wurm | Trample When Argothian Wurm enters the battlefield, any player may sacrifice a land. If a player does, put Argothian Wurm on top of its owner's library. 6/6 |
| Metzali, Tower of Triumph | Legendary Land | (Transforms from Path of Mettle.) {T}: Add one mana of any color. {1}{R}, {T}: Metzali, Tower of Triumph deals 2 damage to each opponent. {2}{W}, {T}: Choose a creature at random that attacked this turn. Destroy that creature. | |
| Richlau, Headmaster | 1WU | Legendary Creature — Human Advisor | At the beginning of your end step, you may pay {1}. When you do, target artifact card in your graveyard perpetually gains "This spell costs {1} less to cast." If it's a creature or Vehicle card, it perpetually gets +2/+2. Put it into your library second from the top. 2/4 |