M:tG card similarity search
5UU · Creature — Leviathan
Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step. 7/7
| Name | Mana | Type | Text |
|---|---|---|---|
| Dune Diviner | 2G | Creature — Naga Cleric | {1}, Tap an untapped Desert you control: You gain 1 life. 2/3 |
| Altar of the Wretched | 2B | Artifact | When Altar of the Wretched enters the battlefield, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power. Craft with one or more creatures {2}{B}{B} {2}{B}: Return Altar of the Wretched from your graveyard to your hand. |
| Hydra Broodmaster | 4GG | Creature — Hydra | {X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens. 7/7 |
| Fatal Frenzy | 2R | Instant | Until end of turn, target creature you control gains trample and gets +X/+0, where X is its power. Sacrifice it at the beginning of the next end step. |
| Antarctic Research Base | Plane — Earth | When you planeswalk to Antarctic Research Base and at the beginning of your upkeep, investigate. Whenever chaos ensues, put X +1/+1 counters on target creature you control, where X is the number of artifacts you control. It becomes a Plant in addition to its other types. | |
| Cinder Seer | 3R | Creature — Human Wizard | {2}{R}, {T}: Reveal any number of red cards in your hand. Cinder Seer deals X damage to any target, where X is the number of cards revealed this way. 1/1 |
| Harvest Season | 2G | Sorcery | Search your library for up to X basic land cards, where X is the number of tapped creatures you control, put those cards onto the battlefield tapped, then shuffle. |
| Font of Progress | U | Artifact | Font of Progress enters the battlefield with two oil counters on it. {3}, {T}: Target player mills X cards, where X is the number of oil counters on Font of Progress. |
| Vault Skyward | U | Instant | Target creature gains flying until end of turn. Untap it. |
| Leyline Invocation | 5G | Sorcery | Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of lands you control. |