M:tG card similarity search
4 · Artifact
{2}, {T}: Put a charge counter on Blue Mana Battery. {T}, Remove any number of charge counters from Blue Mana Battery: Add {U}, then add an additional {U} for each charge counter removed this way.
| Name | Mana | Type | Text |
|---|---|---|---|
| Erayo's Essence | Legendary Enchantment | Whenever an opponent casts their first spell each turn, counter that spell. | |
| Citanul Stalwart | G | Creature — Elf Druid Soldier | {T}, Tap an untapped artifact or creature you control: Add one mana of any color. 1/1 |
| Elvish Harbinger | 2G | Creature — Elf Druid | When Elvish Harbinger enters the battlefield, you may search your library for an Elf card, reveal it, then shuffle and put that card on top. {T}: Add one mana of any color. 1/2 |
| The Thirteenth Doctor | 1GU | Legendary Creature — Time Lord Doctor | Paradox — Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on target creature. Team TARDIS — At the beginning of your end step, untap each creature you control with a counter on it. 2/2 |
| Cave of the Frost Dragon | Land | If you control two or more other lands, Cave of the Frost Dragon enters the battlefield tapped. {T}: Add {W}. {4}{W}: Cave of the Frost Dragon becomes a 3/4 white Dragon creature with flying until end of turn. It's still a land. | |
| Dromoka Monument | 3 | Artifact | {T}: Add {G} or {W}. {4}{G}{W}: Dromoka Monument becomes a 4/4 green and white Dragon artifact creature with flying until end of turn. |
| Wolfwillow Haven | 1G | Enchantment — Aura | Enchant land Whenever enchanted land is tapped for mana, its controller adds an additional {G}. {4}{G}, Sacrifice Wolfwillow Haven: Create a 2/2 green Wolf creature token. Activate only during your turn. |
| Altar of Bone | GW | Sorcery | As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card, reveal it, put it into your hand, then shuffle. |
| Blight Herder | 5 | Creature — Eldrazi Processor | When you cast this spell, you may put two cards your opponents own from exile into their owners' graveyards. If you do, create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}." 4/5 |
| Shield Sphere | 0 | Artifact Creature — Wall | Defender Whenever Shield Sphere blocks, put a -0/-1 counter on it. 0/6 |