M:tG card similarity search
1R · Creature — Goblin Rogue Wizard
When Construction Arsonist enters the battlefield, you may choose an instant or sorcery card in your hand. If you do, that card perpetually incorporates {R} and gains "When you cast this spell, it deals 2 damage to each opponent." Whenever you cast a multicolored spell, Construction Arsonist gets +1/+1 until end of turn for each of that spell's colors. 2/2
| Name | Mana | Type | Text | 
|---|---|---|---|
| Fiery Inscription | 2R | Enchantment | When Fiery Inscription enters the battlefield, the Ring tempts you. Whenever you cast an instant or sorcery spell, Fiery Inscription deals 2 damage to each opponent. | 
| Gale, Storm Conduit | 3UR | Legendary Creature — Human Wizard | Whenever you cast an instant or sorcery spell, Gale, Storm Conduit perpetually gains "Creatures you control get +1/+0." 4/5 | 
| Festival Crasher | 1R | Creature — Devil | Whenever you cast an instant or sorcery spell, Festival Crasher gets +2/+0 until end of turn. 1/3 | 
| Kiln Fiend | 1R | Creature — Elemental Beast | Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn. 1/2 | 
| Spellrune Howler | Creature — Werewolf | Whenever you cast an instant or sorcery spell, Spellrune Howler gets +2/+2 until end of turn. Nightbound (If a player casts at least two spells during their own turn, it becomes day next turn.) 3/4 | |
| Guttersnipe | 2R | Creature — Goblin Shaman | Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent. 2/2 | 
| Frolicking Familiar | 2U | Creature — Otter Wizard | Flying Whenever you cast an instant or sorcery spell, Frolicking Familiar gets +1/+1 until end of turn. 2/2 | 
| Wee Dragonauts | 1UR | Creature — Faerie Wizard | Flying Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn. 1/3 | 
| Spellrune Painter | 2R | Creature — Human Shaman Werewolf | Whenever you cast an instant or sorcery spell, Spellrune Painter gets +1/+1 until end of turn. Daybound (If a player casts no spells during their own turn, it becomes night next turn.) 2/3 | 
| Aven Wind Mage | 2U | Creature — Bird Wizard | Flying Whenever you cast an instant or sorcery spell, Aven Wind Mage gets +1/+1 until end of turn. 2/2 |