M:tG card similarity search
· Artifact
Apex Observatory enters the battlefield tapped. As it enters, choose a card type shared among two exiled cards used to craft it. {T}: The next spell you cast this turn of the chosen type can be cast without paying its mana cost.
| Name | Mana | Type | Text |
|---|---|---|---|
| Knowledge Exploitation | 5UU | Tribal Sorcery — Rogue | Prowl {3}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Search target opponent's library for an instant or sorcery card. You may cast that card without paying its mana cost. Then that player shuffles. |
| Archon of Valor's Reach | 4GW | Creature — Archon | Flying, vigilance, trample As Archon of Valor's Reach enters the battlefield, choose artifact, enchantment, instant, sorcery, or planeswalker. Players can't cast spells of the chosen type. 5/6 |
| Jarsyl, Dark Age Scion | 1RG | Legendary Creature — Human Wizard | Starting intensity 1 At the beginning of combat on your turn, you may cast a spell with mana value equal to Jarsyl, Dark Age Scion's intensity from your graveyard without paying its mana cost. If you do, Jarsyl intensifies by 1. 3/3 |
| Submerge | 4U | Instant | If an opponent controls a Forest and you control an Island, you may cast this spell without paying its mana cost. Put target creature on top of its owner's library. |
| Arcane Savant | 3UU | Creature — Human Wizard | Before you shuffle your deck to start the game, you may reveal this card from your deck and exile an instant or sorcery card you drafted that isn't in your deck. When Arcane Savant enters the battlefield, copy a card you exiled with cards named Arcane Savant. You may cast the copy without paying its mana cost. 3/3 |
| Hazoret's Undying Fury | 4RR | Sorcery | Shuffle your library, then exile the top four cards. You may cast any number of spells with mana value 5 or less from among them without paying their mana costs. Lands you control don't untap during your next untap step. |
| Jodah, the Unifier | WUBRG | Legendary Creature — Human Wizard | Legendary creatures you control get +X/+X, where X is the number of legendary creatures you control. Whenever you cast a legendary spell from your hand, exile cards from the top of your library until you exile a legendary nonland card with lesser mana value. You may cast that card without paying its mana cost. Put the rest on the bottom of your library in a random order. 5/5 |
| Sins of the Past | 4BB | Sorcery | Until end of turn, you may cast target instant or sorcery card from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. Exile Sins of the Past. |
| Roots of Life | 1GG | Enchantment | As Roots of Life enters the battlefield, choose Island or Swamp. Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life. |
| Molten Echoes | 2RR | Enchantment | As Molten Echoes enters the battlefield, choose a creature type. Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step. |