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 |
|---|---|---|---|
| Might Beyond Reason | 3G | Instant | Put two +1/+1 counters on target creature. Delirium — Put three +1/+1 counters on that creature instead if there are four or more card types among cards in your graveyard. |
| Vance's Blasting Cannons | 3R | Legendary Enchantment | At the beginning of your upkeep, exile the top card of your library. If it's a nonland card, you may cast that card this turn. Whenever you cast your third spell in a turn, you may transform Vance's Blasting Cannons. |
| Whispers of Emrakul | 1B | Sorcery | Target opponent discards a card at random. Delirium — If there are four or more card types among cards in your graveyard, that player discards two cards at random instead. |
| Main Event Horizon | 3WW | Sorcery | As an additional cost to cast this spell, choose A through M or N through Z. Destroy each creature whose name begins with a letter in the chosen range. |
| Soul Swallower | 2GG | Creature — Wurm | Trample Delirium — At the beginning of your upkeep, if there are four or more card types among cards in your graveyard, put three +1/+1 counters on Soul Swallower. 3/3 |
| One with the Multiverse | 6UU | Enchantment | You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost. |
| Stolen Strategy | 4R | Enchantment | At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast spells from among those exiled cards, and you may spend mana as though it were mana of any color to cast those spells. |
| Mana Echoes | 2RR | Enchantment | Whenever a creature enters the battlefield, you may add an amount of {C} equal to the number of creatures you control that share a creature type with it. |
| Urza, Lord High Artificer | 2UU | Legendary Creature — Human Artificer | When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost. 1/4 |
| Glowrider | 2W | Creature — Human Cleric | Noncreature spells cost {1} more to cast. 2/1 |