M:tG card similarity search
2U · Artifact
{T}: Add {U}. When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves. {3}{U}{U}, {T}: You may cast any number of spells from among cards exiled with Forger's Foundry without paying their mana costs. Activate only as a sorcery.
| Name | Mana | Type | Text |
|---|---|---|---|
| Expansion | U/RU/R | Instant | Copy target instant or sorcery spell with mana value 4 or less. You may choose new targets for the copy. |
| Hauken's Insight | Legendary Enchantment | At the beginning of your upkeep, exile the top card of your library face down. You may look at that card for as long as it remains exiled. Once during each of your turns, you may play a land or cast a spell from among the cards exiled with this permanent without paying its mana cost. | |
| 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. | |
| Collector's Cage | 1W | Artifact | Hideaway 5 (When this artifact enters the battlefield, look at the top five cards of your library, exile one face down, then put the rest on the bottom in a random order.) {1}, {T}: Put a +1/+1 counter on target creature you control. Then if you control three or more creatures with different powers, you may play the exiled card without paying its mana cost. |
| It That Heralds the End | 1C | Creature — Eldrazi Drone | Colorless spells you cast with mana value 7 or greater cost {1} less to cast. Other colorless creatures you control get +1/+1. 2/2 |
| Leapfrog | 2U | Creature — Frog | Leapfrog has flying as long as you've cast an instant or sorcery spell this turn. 3/1 |
| Beacon Bolt | 1UR | Sorcery | Beacon Bolt deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.) |
| Mental Misstep | U/P | Instant | ({U/P} can be paid with either {U} or 2 life.) Counter target spell with mana value 1. |
| Spell Snare | U | Instant | Counter target spell with mana value 2. |
| Sunglasses of Urza | 3 | Artifact | You may spend white mana as though it were red mana. |