M:tG card similarity search
2 · Artifact
Whenever a player casts a spell, if no colored mana was spent to cast it, counter that spell.
| Name | Mana | Type | Text |
|---|---|---|---|
| Jace's Defeat | 1U | Instant | Counter target blue spell. If it was a Jace planeswalker spell, scry 2. |
| Tethmos High Priest | 2W | Creature — Cat Cleric | Heroic — Whenever you cast a spell that targets Tethmos High Priest, return target creature card with mana value 2 or less from your graveyard to the battlefield. 2/3 |
| Artisan of Forms | 1U | Creature — Human Wizard | Heroic — Whenever you cast a spell that targets Artisan of Forms, you may have Artisan of Forms become a copy of target creature, except it has this ability. 1/1 |
| Desolation Twin | 10 | Creature — Eldrazi | When you cast this spell, create a 10/10 colorless Eldrazi creature token. 10/10 |
| Contractual Safeguard | 2W | Instant | Addendum — If you cast this spell during your main phase, put a shield counter on a creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Choose a kind of counter on a creature you control. Put a counter of that kind on each other creature you control. |
| Fields of Summer | Plane — Moag | Whenever a player casts a spell, that player may gain 2 life. Whenever chaos ensues, you may gain 10 life. | |
| Feast of Blood | 1B | Sorcery | Cast this spell only if you control two or more Vampires. Destroy target creature. You gain 4 life. |
| Sythis, Harvest's Hand | GW | Legendary Enchantment Creature — Nymph | Whenever you cast an enchantment spell, you gain 1 life and draw a card. 1/2 |
| Staff of the Flame Magus | 3 | Artifact | Whenever you cast a red spell or a Mountain enters the battlefield under your control, you gain 1 life. |
| Hall of Gemstone | 1GG | World Enchantment | At the beginning of each player's upkeep, that player chooses a color. Until end of turn, lands tapped for mana produce mana of the chosen color instead of any other color. |