Super mardi

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

Create four 1/1 red Goblin creature tokens.

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.)

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

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...

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

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

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.

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...

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.

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

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...

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

{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.

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

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

Whenever you cast a multicolored spell, this enchantment deals 2 damage to any target.

Enchant land Enchanted land has "{T}: Target creature gains haste until end of turn."

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.)

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Lifelink, haste

First strike Whenever this creature deals combat damage to a player, that player discards a card at random. {B}: Regenerate this creature.