![Guilds of Ravnica: Firemind's Research](/img/cards/guilds-of-ravnica/grn-firemind-s-research-171.jpg)
Firemind's Research | Enchantment | | Whenever you cast an instant or sorcery spell, put a charge counter on Firemind's Research.
{1}{U}, Remove two charge counters from Firemind's Research: Draw a card.
{1}{R}, Remove five charge counters from Firemind's Research: It deals 5 damage to any target. | Grzegorz Rutkowski
1.5 LSV
![Guilds of Ravnica: Ionize](/img/cards/guilds-of-ravnica/grn-ionize-179.jpg)
Ionize | Instant | | Counter target spell. Ionize deals 2 damage to that spell's controller. | Chase Stone
1.5 LSV
![Guilds of Ravnica: Niv-Mizzet, Parun](/img/cards/guilds-of-ravnica/grn-niv-mizzet-parun-192.jpg)
Niv-Mizzet, Parun | Legendary Creature | Dragon Wizard | This spell can't be countered.
Flying
Whenever you draw a card, Niv-Mizzet, Parun deals 1 damage to any target.
Whenever a player casts an instant or sorcery spell, you draw a card. | Svetlin Velinov
5.0 LSV
![Guilds of Ravnica: Expansion](/img/cards/guilds-of-ravnica/grn-expansion-224.jpg)
Expansion | Instant | | Copy target instant or sorcery spell with mana value 4 or less. You may choose new targets for the copy. | Deruchenko Alexander
4.0 LSV