M:tG card similarity search
3G · Creature — Elf Shaman
{3}{G}, {T}: Target creature gets +X/+X until end of turn, where X is the number of artifacts your opponents control. 3/3
| Name | Mana | Type | Text | 
|---|---|---|---|
| Resounding Roar | 1G | Instant | Target creature gets +3/+3 until end of turn. Cycling {5}{R}{G}{W} ({5}{R}{G}{W}, Discard this card: Draw a card.) When you cycle Resounding Roar, target creature gets +6/+6 until end of turn. | 
| Knowledge Is Power | 3WU | Enchantment | Creatures you control get +X/+X, where X is the number of cards you've drawn this turn. | 
| Crenellated Wall | 4 | Artifact Creature — Wall | Defender (This creature can't attack.) {T}: Target creature gets +0/+4 until end of turn. 0/4 | 
| Bag End Porter | 3G | Creature — Dwarf | Whenever Bag End Porter attacks, it gets +X/+X until end of turn, where X is the number of legendary creatures you control. 4/4 | 
| Unnatural Endurance | B | Instant | Devoid (This card has no color.) Target creature gets +2/+0 until end of turn. Regenerate it. | 
| Appeal | G | Sorcery | Until end of turn, target creature gains trample and gets +X/+X, where X is the number of creatures you control. | 
| Klothys's Design | 5G | Sorcery | Creatures you control get +X/+X until end of turn, where X is your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.) | 
| Primal Boost | 2G | Instant | Target creature gets +4/+4 until end of turn. Cycling {2}{G} ({2}{G}, Discard this card: Draw a card.) When you cycle Primal Boost, you may have target creature get +1/+1 until end of turn. | 
| Conifer Wurm | 4G | Snow Creature — Wurm | Trample {3}{G}: Conifer Wurm gets +X/+X until end of turn, where X is the number of snow permanents you control. 4/4 | 
| Malady Invoker | Creature — Phyrexian Treefolk | When this creature transforms into Malady Invoker, target creature an opponent controls gets -0/-X until end of turn, where X is Malady Invoker's power. 3/3 |