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 |
|---|---|---|---|
| Devotee of Strength | 2G | Creature — Naga Wizard | {4}{G}: Target creature gets +2/+2 until end of turn. 3/2 |
| Clam Session | 1UU | Creature — Clamfolk | As Clam Session enters the battlefield, choose a word. At the beginning of your upkeep, you may sing at least six words of a song, at least one of which is the chosen word. If you don't, sacrifice Clam Session. You can't repeat a song. 2/5 |
| Shield of the Avatar | 1 | Artifact — Equipment | If a source would deal damage to equipped creature, prevent X of that damage, where X is the number of creatures you control. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) |
| Contamination | 2B | Enchantment | At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount. |
| Unnerving Assault | 2U/R | Instant | Creatures your opponents control get -1/-0 until end of turn if {U} was spent to cast this spell, and creatures you control get +1/+0 until end of turn if {R} was spent to cast this spell. (Do both if {U}{R} was spent.) |
| Uktabi Efreet | 2GG | Creature — Efreet | Cumulative upkeep {G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) 5/4 |
| Spellbook Vendor | 1W | Creature — Human Peasant | Vigilance At the beginning of combat on your turn, you may pay {1}. When you do, create a Sorcerer Role token attached to target creature you control. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has "Whenever this creature attacks, scry 1.") 2/2 |
| Vicious Betrayal | 3BB | Sorcery | As an additional cost to cast this spell, sacrifice any number of creatures. Target creature gets +2/+2 until end of turn for each creature sacrificed this way. |
| Blistering Dieflyn | 3R | Creature — Imp | Flying {B/R}: Blistering Dieflyn gets +1/+0 until end of turn. 0/1 |
| Thornmantle Striker | 4B | Creature — Elf Rogue | When Thornmantle Striker enters the battlefield, choose one — • Remove X counters from target permanent, where X is the number of Elves you control. • Target creature an opponent controls gets -X/-X until end of turn, where X is the number of Elves you control. 4/3 |