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 |
|---|---|---|---|
| Pyknite | 2G | Creature — Ouphe | When Pyknite enters the battlefield, draw a card at the beginning of the next turn's upkeep. 1/1 |
| Perrie, the Pulverizer | 1GWU | Legendary Creature — Rhino Soldier | When Perrie enters the battlefield, put a shield counter on target creature. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Whenever Perrie attacks, target creature you control gains trample and gets +X/+X until end of turn, where X is the number of different kinds of counters among permanents you control. 3/3 |
| Xun Yu, Wei Advisor | 1BB | Legendary Creature — Human Advisor | {T}: Target creature you control gets +2/+0 until end of turn. Activate only during your turn, before attackers are declared. 1/1 |
| Ball Lightning | RRR | Creature — Elemental | Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.) Haste (This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice Ball Lightning. 6/1 |
| Groundbreaker | GGG | Creature — Elemental | Trample, haste At the beginning of the end step, sacrifice Groundbreaker. 6/1 |
| Spark Elemental | R | Creature — Elemental | Trample, haste (This creature can deal excess combat damage to the player or planeswalker it's attacking. This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice Spark Elemental. 3/1 |
| Mirror Box | 3 | Artifact | The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature. |
| The Fifth Doctor | 2WU | Legendary Creature — Time Lord Doctor | Peaceful Coexistence — At the beginning of your end step, put a +1/+1 counter on each creature you control that didn't attack or enter the battlefield this turn. Untap those creatures. 2/2 |
| Hellspark Elemental | 1R | Creature — Elemental | Trample, haste At the beginning of the end step, sacrifice Hellspark Elemental. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 3/1 |
| Psychic Allergy | 3UU | Enchantment | As Psychic Allergy enters the battlefield, choose a color. At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands. |