Hydroblast

Choose one —
• Counter target spell if it’s red.
• Destroy target permanent if it’s red.

Pyroblast

Choose one —
• Counter target spell if it’s blue.
• Destroy target permanent if it’s blue.

Cuombajj Witches

: Cuombajj Witches deals 1 damage to any target and 1 damage to any target of an opponent’s choice.

Rabid Wombat

Vigilance
Rabid Wombat gets +2/+2 for each Aura attached to it.

Mishra’s Factory

: Add .
: Mishra’s Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It’s still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.

Rainbow Vale

: Add one mana of any color. An opponent gains control of Rainbow Vale at the beginning of the next end step.

Giant Tortoise

Giant Tortoise gets +0/+3 as long as it’s untapped.

Eureka

Starting with you, each player may put a permanent card from their hand onto the battlefield. Repeat this process until no one puts a card onto the battlefield.

Winter Blast

Tap X target creatures. Winter Blast deals 2 damage to each of those creatures with flying.

Kjeldoran Pride

Enchant creature
Enchanted creature gets +1/+2.
: Attach Kjeldoran Pride to target creature other than enchanted creature.

Mishra’s Factory

: Add .
: Mishra’s Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It’s still a land.
: Target Assembly-Worker creature gets +1/+1 until end of turn.

Thunderstaff

As long as Thunderstaff is untapped, if a creature would deal combat damage to you, prevent 1 of that damage.
, : Attacking creatures get +1/+0 until end of turn.

Manta Riders

: Manta Riders gains flying until end of turn.

Summer Bloom

You may play up to three additional lands this turn.

Teferi’s Puzzle Box

At the beginning of each player’s draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Millstone

, : Target player mills two cards.

Summer Bloom

You may play up to three additional lands this turn.

Kismet

Artifacts, creatures, and lands your opponents control enter the battlefield tapped.