M:tG card similarity search
XX · Legendary Creature — Spirit Naga
Omarthis, Ghostfire Initiate enters the battlefield with X +1/+1 counters on it. Whenever you put one or more +1/+1 counters on another colorless creature, you may put a +1/+1 counter on Omarthis. When Omarthis dies, manifest a number of cards from the top of your library equal to the number of counters on it. 0/0
| Name | Mana | Type | Text |
|---|---|---|---|
| Endless One | X | Creature — Eldrazi | Endless One enters the battlefield with X +1/+1 counters on it. 0/0 |
| Mysterious Egg | 1 | Creature — Egg | Whenever this creature mutates, put a +1/+1 counter on it. 0/2 |
| Primordial Hydra | XGG | Creature — Hydra | Primordial Hydra enters the battlefield with X +1/+1 counters on it. At the beginning of your upkeep, double the number of +1/+1 counters on Primordial Hydra. Primordial Hydra has trample as long as it has ten or more +1/+1 counters on it. 0/0 |
| Crovax the Cursed | 2BB | Legendary Creature — Vampire Noble | Crovax the Cursed enters the battlefield with four +1/+1 counters on it. At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax. {B}: Crovax gains flying until end of turn. 0/0 |
| Ivy Elemental | XG | Creature — Elemental | Ivy Elemental enters the battlefield with X +1/+1 counters on it. 0/0 |
| Duskshell Crawler | 1G | Creature — Insect | When Duskshell Crawler enters the battlefield, put a +1/+1 counter on target creature. Each creature you control with a +1/+1 counter on it has trample. 0/3 |
| Clockwork Avian | 5 | Artifact Creature — Bird | Flying Clockwork Avian enters the battlefield with four +1/+0 counters on it. At end of combat, if Clockwork Avian attacked or blocked this combat, remove a +1/+0 counter from it. {X}, {T}: Put up to X +1/+0 counters on Clockwork Avian. This ability can't cause the total number of +1/+0 counters on Clockwork Avian to be greater than four. Activate only during your upkeep. 0/4 |
| Worldsoul Colossus | XGW | Creature — Elemental | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Worldsoul Colossus enters the battlefield with X +1/+1 counters on it. 0/0 |
| Clockwork Dragon | 7 | Artifact Creature — Dragon | Flying Clockwork Dragon enters the battlefield with six +1/+1 counters on it. Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter from it at end of combat. {3}: Put a +1/+1 counter on Clockwork Dragon. 0/0 |
| A-Skyclave Shadowcat | 2B | Creature — Cat Horror | {B}, Sacrifice another creature: Put a +1/+1 counter on Skyclave Shadowcat. Whenever a creature you control with a +1/+1 counter on it dies, draw a card. 3/3 |