M:tG card similarity search
3B · Creature — Insect
Flying When Foundry Hornet enters the battlefield, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn. 2/3
| Name | Mana | Type | Text |
|---|---|---|---|
| Primeval Protector | 10G | Creature — Avatar | This spell costs {1} less to cast for each creature your opponents control. When Primeval Protector enters the battlefield, put a +1/+1 counter on each other creature you control. 10/10 |
| Weakstone | 4 | Artifact | Attacking creatures get -1/-0. |
| Dawnfeather Eagle | 4W | Creature — Bird | Flying When Dawnfeather Eagle enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn. 3/3 |
| Protocol Knight | 3U | Creature — Human Knight | When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.) 3/4 |
| Terror Tide | 2BB | Sorcery | Fathomless descent — All creatures get -X/-X until end of turn, where X is the number of permanent cards in your graveyard. |
| Invasion of Moag | 2GW | Battle — Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Moag enters the battlefield, put a +1/+1 counter on each creature you control. |
| Supply Runners | 4W | Creature — Dog | When Supply Runners enters the battlefield, put a +1/+1 counter on each other creature you control. 2/2 |
| Nightmarish End | 2B | Instant | Target creature gets -X/-X until end of turn, where X is the number of cards in your hand. |
| Haldir, Lórien Lieutenant | XG | Legendary Creature — Elf Soldier | Haldir, Lórien Lieutenant enters the battlefield with X +1/+1 counters on it. Vigilance {5}{G}: Until end of turn, other Elves you control gain vigilance and get +1/+1 for each +1/+1 counter on Haldir. 0/0 |
| Nylea's Huntmaster | 3G | Creature — Centaur Shaman | When Nylea's Huntmaster enters the battlefield, target creature you control gets +X/+0 until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.) 4/3 |