M:tG card similarity search
4 · Artifact
At the beginning of your upkeep, you may have target creature you control get +X/+X until end of turn, where X is the number of creatures you control. If you do, sacrifice that creature at the beginning of the next end step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Cybermat | 2 | Artifact Creature — Robot | Skulk (This creature can't be blocked by creatures with greater power.) Whenever Cybermat attacks and isn't blocked, it gets +X/+0 until end of turn, where X is the number of attacking artifact creatures. 2/1 |
| Weapon Surge | R | Instant | Target creature you control gets +1/+0 and gains first strike until end of turn. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.") |
| Mana Vault | 1 | Artifact | Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}. |
| Corrosive Mentor | 2B | Creature — Elemental Rogue | Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) 1/3 |
| Angel of Invention | 3WW | Creature — Angel | Flying, vigilance, lifelink Fabricate 2 (When this creature enters the battlefield, put two +1/+1 counters on it or create two 1/1 colorless Servo artifact creature tokens.) Other creatures you control get +1/+1. 2/1 |
| Alchemist's Gambit | 1RR | Sorcery | Cleave {4}{U}{U}{R} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Take an extra turn after this one. During that turn, damage can't be prevented. [At the beginning of that turn's end step, you lose the game.] Exile Alchemist's Gambit. |
| Seedcradle Witch | G/W | Creature — Elf Shaman | {2}{G}{W}: Target creature gets +3/+3 until end of turn. Untap that creature. 1/1 |
| Chupacabra Echo | 2BB | Creature — Beast Horror Spirit | Fathomless descent — When Chupacabra Echo enters the battlefield, target creature an opponent controls gets -X/-X until end of turn, where X is the number of permanent cards in your graveyard. 3/2 |
| Estrid's Invocation | 2U | Enchantment | You may have Estrid's Invocation enter the battlefield as a copy of an enchantment you control, except it has "At the beginning of your upkeep, you may exile this enchantment. If you do, return it to the battlefield under its owner's control." |
| Skittish Valesk | 6R | Creature — Beast | At the beginning of your upkeep, flip a coin. If you lose the flip, turn Skittish Valesk face down. Morph {5}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 5/5 |