M:tG card similarity search
2WW · Enchantment
When an opponent casts a creature spell, if Opal Titan is an enchantment, Opal Titan becomes a 4/4 Giant creature with protection from each of that spell's colors.
| Name | Mana | Type | Text |
|---|---|---|---|
| Arcee, Acrobatic Coupe | Legendary Artifact — Vehicle | Living metal (As long as it's your turn, this Vehicle is also a creature.) Whenever you cast a spell that targets one or more creatures or Vehicles you control, put that many +1/+1 counters on Arcee. Convert Arcee. 2/2 | |
| Drowner Initiate | U | Creature — Merfolk Wizard | Whenever a player casts a blue spell, you may pay {1}. If you do, target player mills two cards. 1/1 |
| Coal Hill School | Plane — Earth | Whenever a player casts a historic spell, that player draws a card. (Artifacts, legendaries, and Sagas are historic.) Whenever chaos ensues, return target historic card from your graveyard to your hand. | |
| Refraction Elemental | Creature — Elemental | Ward—Pay 2 life. Whenever you cast a spell, Refraction Elemental deals 2 damage to each opponent. 4/4 | |
| Herald of Kozilek | 1UR | Creature — Eldrazi Drone | Devoid (This card has no color.) Colorless spells you cast cost {1} less to cast. 2/4 |
| Arena Trickster | 3R | Creature — Human Shaman | Whenever you cast your first spell during each opponent's turn, put a +1/+1 counter on Arena Trickster. 3/3 |
| Armored Scrapgorger | 1G | Creature — Phyrexian Beast | Armored Scrapgorger gets +3/+0 as long as it has three or more oil counters on it. {T}: Add one mana of any color. Whenever Armored Scrapgorger becomes tapped, exile target card from a graveyard and put an oil counter on Armored Scrapgorger. 0/3 |
| Sliver Hive | Land | {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Sliver spell. {5}, {T}: Create a 1/1 colorless Sliver creature token. Activate only if you control a Sliver. | |
| Blessed Spirits | 2W | Creature — Spirit | Flying Whenever you cast an enchantment spell, put a +1/+1 counter on Blessed Spirits. 2/2 |
| Frazzle | 3U | Instant | Counter target nonblue spell. |