M:tG card similarity search
1R · Battle — Siege
(As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Tarkir enters the battlefield, reveal any number of Dragon cards from your hand. When you do, Invasion of Tarkir deals X plus 2 damage to any other target, where X is the number of cards revealed this way. (X can be 0.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Frostboil Snarl | Land | As Frostboil Snarl enters the battlefield, you may reveal an Island or Mountain card from your hand. If you don't, Frostboil Snarl enters the battlefield tapped. {T}: Add {U} or {R}. | |
| Open the Way | XGG | Sorcery | X can't be greater than the number of players in the game. Reveal cards from the top of your library until you reveal X land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order. |
| Ballista Squad | 3W | Creature — Human Rebel | {X}{W}, {T}: Ballista Squad deals X damage to target attacking or blocking creature. 2/2 |
| Progenitor Exarch | XXW | Creature — Phyrexian Cat Cleric | When Progenitor Exarch enters the battlefield, incubate 3 X times. (To incubate 3, create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) {T}: Transform target Incubator token you control. 1/2 |
| Game Trail | Land | As Game Trail enters the battlefield, you may reveal a Mountain or Forest card from your hand. If you don't, Game Trail enters the battlefield tapped. {T}: Add {R} or {G}. | |
| Silvergill Douser | 1U | Creature — Merfolk Wizard | {T}: Target creature gets -X/-0 until end of turn, where X is the number of Merfolk and/or Faeries you control. 1/1 |
| Spellstutter Sprite | 1U | Creature — Faerie Wizard | Flash Flying When Spellstutter Sprite enters the battlefield, counter target spell with mana value X or less, where X is the number of Faeries you control. 1/1 |
| Altar of the Wretched | 2B | Artifact | When Altar of the Wretched enters the battlefield, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power. Craft with one or more creatures {2}{B}{B} {2}{B}: Return Altar of the Wretched from your graveyard to your hand. |
| Baldur's Gate | Legendary Land — Gate | {T}: Add {C}. {2}, {T}: Add X mana of any one color, where X is the number of other Gates you control. | |
| Sphinx of Clear Skies | 3UU | Creature — Sphinx | Flying, ward {2} Domain — Whenever Sphinx of Clear Skies deals combat damage to a player, reveal the top X cards of your library, where X is the number of basic land types among lands you control. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard. (Piles can be empty.) 5/5 |