M:tG card similarity search
3B · Instant
Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
| Name | Mana | Type | Text |
|---|---|---|---|
| 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. | |
| Avacyn's Judgment | 1R | Sorcery | Madness {X}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead. |
| Broodlord | X3G | Creature — Tyranid | Ravenous (This creature enters the battlefield with X +1/+1 counters on it. If X is 5 or more, draw a card when it enters.) Brood Telepathy — When Broodlord enters the battlefield, distribute X +1/+1 counters among any number of other target creatures you control. 3/3 |
| Notorious Throng | 3U | Tribal Sorcery — Rogue | Prowl {5}{U} (You may cast this for its prowl cost if you dealt combat damage to a player this turn with a Rogue.) Create X 1/1 black Faerie Rogue creature tokens with flying, where X is the damage dealt to your opponents this turn. If this spell's prowl cost was paid, take an extra turn after this one. |
| Oath of Jace | 2U | Legendary Enchantment | When Oath of Jace enters the battlefield, draw three cards, then discard two cards. At the beginning of your upkeep, scry X, where X is the number of planeswalkers you control. |
| Stumpsquall Hydra | XGGG | Creature — Hydra | When Stumpsquall Hydra enters the battlefield, distribute X +1/+1 counters among it and any number of commanders. 1/1 |
| Geode Grotto | Land — Cave | (Transforms from Dowsing Device.) {T}: Add {R}. {2}{R}, {T}: Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery. | |
| Armored Armadillo | W | Creature — Armadillo | Ward {1} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.) {3}{W}: Armored Armadillo gets +X/+0 until end of turn, where X is its toughness. 0/4 |
| Inner Calm, Outer Strength | 2G | Instant — Arcane | Target creature gets +X/+X until end of turn, where X is the number of cards in your hand. |
| Descent into Madness | 3BB | Enchantment | At the beginning of your upkeep, put a despair counter on Descent into Madness, then each player exiles X permanents they control and/or cards from their hand, where X is the number of despair counters on Descent into Madness. |