M:tG card similarity search
3 · Artifact
When Threefold Signal enters the battlefield, scry 3. Each spell you cast that's exactly three colors has replicate {3}. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies. A copy of a permanent spell becomes a token.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Auton Soldier | 4UU | Artifact Creature — Alien Soldier | You may have Auton Soldier enter the battlefield as a copy of any creature on the battlefield, except it isn't legendary, is an artifact in addition to its other types, and has myriad. (Whenever it attacks, for each opponent other than defending player, you may put a token that's a copy of this creature onto the battlefield tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.) 0/0 |
| Font of Magic | 3U | Enchantment | Instant and sorcery spells you cast cost {1} less to cast for each time you've cast a commander from the command zone this game. |
| Undersea Invader | 4UU | Creature — Giant Rogue | Flash Undersea Invader enters the battlefield tapped. 5/6 |
| Rhonas's Monument | 3 | Legendary Artifact | Green creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature you control gets +2/+2 and gains trample until end of turn. |
| Enigma Eidolon | 3U | Creature — Spirit | {U}, Sacrifice Enigma Eidolon: Target player mills three cards. Whenever you cast a multicolored spell, you may return Enigma Eidolon from your graveyard to your hand. 2/2 |
| Burning Prophet | 1R | Creature — Human Wizard | Whenever you cast a noncreature spell, Burning Prophet gets +1/+0 until end of turn, then scry 1. 1/3 |
| Tome of the Infinite | 2U | Legendary Artifact | {U}, {T}: Conjure a random card from Tome of the Infinite's spellbook into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." |
| Nessian Demolok | 3GG | Creature — Beast | Tribute 3 (As this creature enters the battlefield, an opponent of your choice may put three +1/+1 counters on it.) When Nessian Demolok enters the battlefield, if tribute wasn't paid, destroy target noncreature permanent. 3/3 |
| Turri Island | Plane — Ir | Creature spells cost {2} less to cast. Whenever chaos ensues, reveal the top three cards of your library. Put all creature cards revealed this way into your hand and the rest into your graveyard. | |
| Greater Mossdog | 3G | Creature — Plant Dog | Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.) 3/3 |