Elusive Spellfist

Whenever you cast a noncreature spell, this creature gets +1/+0 until end of turn and can't be blocked this turn.

Tempest Angler

Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

Spellgorger Weird

Dwarven Forge-Chanter

Ward—Pay 2 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 2 life.)
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Goblin Electromancer

Instant and sorcery spells you cast cost {1} less to cast.