M:tG card similarity search
5B · Creature — Rat
When Ossuary Rats enters the battlefield, it deals X damage to target creature or planeswalker an opponent controls, where X is the number of creature cards in your graveyard. 3/2
| Name | Mana | Type | Text |
|---|---|---|---|
| Power Surge | RR | Enchantment | At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn. |
| Follow Him | XUU | Instant — Adventure | Investigate X times. (Then exile this card. You may cast the creature later from exile.) |
| Finale of Eternity | XBB | Sorcery | Destroy up to three target creatures with toughness X or less. If X is 10 or more, return all creature cards from your graveyard to the battlefield. |
| Jaya's Immolating Inferno | XRR | Legendary Sorcery | (You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets. |
| Eriette of the Charmed Apple | 1WB | Legendary Creature — Human Warlock | Each creature that's enchanted by an Aura you control can't attack you or planeswalkers you control. At the beginning of your end step, each opponent loses X life and you gain X life, where X is the number of Auras you control. 2/4 |
| Scourge of Valkas | 2RRR | Creature — Dragon | Flying Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control. {R}: Scourge of Valkas gets +1/+0 until end of turn. 4/4 |
| Death Denied | XBB | Instant — Arcane | Return X target creature cards from your graveyard to your hand. |
| Monsoon | 2RG | Enchantment | At the beginning of each player's end step, tap all untapped Islands that player controls and Monsoon deals X damage to the player, where X is the number of Islands tapped this way. |
| Axebane Guardian | 2G | Creature — Human Druid | Defender {T}: Add X mana in any combination of colors, where X is the number of creatures with defender you control. 0/3 |
| Nightmare Incursion | 5B | Sorcery | Search target player's library for up to X cards, where X is the number of Swamps you control, and exile them. Then that player shuffles. |