Guilds of Ravnica

Beamsplitter Mage | Creature | Vedalken Wizard | Whenever you cast an instant or sorcery spell that targets only Beamsplitter Mage, if you control one or more other creatures that spell could target, choose one of those creatures. Copy that spell. The copy targets the chosen creature. | Svetlin Velinov

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

Goblin Electromancer | Creature | Goblin Wizard | Instant and sorcery spells you cast cost {1} less to cast. | Svetlin Velinov

League Guildmage | Creature | Human Wizard | {3}{U}, {T}: Draw a card. {X}{R}, {T}: Copy target instant or sorcery spell you control with mana value X. You may choose new targets for the copy. | Svetlin Velinov

Expansion | Instant | | Copy target instant or sorcery spell with mana value 4 or less. You may choose new targets for the copy. | Deruchenko Alexander