M:tG card similarity search
5R · Enchantment
Whenever you cast a spell from your hand, reveal the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value X or less from among cards revealed this way without paying its mana cost. Put the rest on the bottom of your library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| New Frontiers | XG | Sorcery | Each player may search their library for up to X basic land cards and put them onto the battlefield tapped. Then each player who searched their library this way shuffles. |
| Opal Gargoyle | 1W | Enchantment | When an opponent casts a creature spell, if Opal Gargoyle is an enchantment, Opal Gargoyle becomes a 2/2 Gargoyle creature with flying. |
| Sigil of the Empty Throne | 3WW | Enchantment | Whenever you cast an enchantment spell, create a 4/4 white Angel creature token with flying. |
| Huntmaster Liger | 3W | Creature — Cat | Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated. 3/4 |
| Hidden Spider | G | Enchantment | When an opponent casts a creature spell with flying, if Hidden Spider is an enchantment, Hidden Spider becomes a 3/5 Spider creature with reach. (It can block creatures with flying.) |
| Mothrider Cavalry | 2WW | Creature — Human Samurai | This spell costs {2} less to cast if you have no creature cards in hand not named Mothrider Cavalry. Flying Other creatures you control get +1/+1. 2/2 |
| Spectral Adversary | 1U | Creature — Spirit | Flash Flying When Spectral Adversary enters the battlefield, you may pay {1}{U} any number of times. When you pay this cost one or more times, put that many +1/+1 counters on Spectral Adversary, then up to that many other target artifacts, creatures, and/or enchantments phase out. 2/1 |
| Goblin Cohort | R | Creature — Goblin Warrior | Goblin Cohort can't attack unless you've cast a creature spell this turn. 2/2 |
| Breaker of Creation | 6CC | Creature — Eldrazi | When you cast this spell, you gain 1 life for each colorless permanent you control. Hexproof from each color Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.) 8/4 |
| Gideon's Battle Cry | 2WW | Sorcery | Put a +1/+1 counter on each creature you control. You may search your library and/or graveyard for a card named Gideon, the Oathsworn, reveal it, and put it into your hand. If you search your library this way, shuffle. |