Pioneer

Enchant creature Enchanted creature gets +2/+2 and has "{U}: This creature gains flying until end of turn."

Exile an instant or sorcery spell you control: Put two +1/+1 counters on this creature. (That spell won't resolve.)

{1}{U}{R}: Draw a card, then discard a card. {2}{U}{R}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Flying Whenever Niv-Mizzet deals damage to a player, you may draw a card. {U}{R}: Niv-Mizzet deals 1 damage to any target.

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you d...

First strike, haste

{U}, {T}: Draw two cards. {R}, {T}, Discard a card: This creature deals damage to target creature equal to the discarded card's mana value.

Defender {T}: This creature deals 1 damage to each opponent. Whenever you cast a multicolored spell, untap this creature.

Flash (You may cast this spell any time you could cast an instant.) Haste {T}: This creature deals 1 damage to target creature and each other creat...

Choose one — • Counter target noncreature spell unless its controller pays {2}. • Izzet Charm deals 2 damage to target creature. • Draw two cards, ...

Flying, haste You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.) {2}{B}{R}, Sacrifice...

Players can't gain life. At the beginning of each player's upkeep, that player loses half their life, rounded up.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

At the beginning of your upkeep, target opponent reveals the top three cards of their library, may put a creature card from among them onto the bat...

Unleash (You may have this creature enter with a +1/+1 counter on it. It can't block as long as it has a +1/+1 counter on it.)

Create four 1/1 red Goblin creature tokens.

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

{U/R}: This creature gets +1/-1 until end of turn.

Search your library for an instant card with mana value 3, reveal it, and put it into your hand. Then repeat this process for instant cards with ma...

Explosive Impact deals 5 damage to any target.

Counter target creature spell. Essence Backlash deals damage equal to that spell's power to its controller.

Exile the top X cards of your library. You may cast instant and sorcery spells with mana value X or less from among them without paying their mana ...

Electrickery deals 1 damage to target creature you don't control. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change...