Counterspell

Icy Manipulator

{1}, {T}: Tap target artifact, creature, or land.

Sandstorm

Sandstorm deals 1 damage to each attacking creature.

Mishra's Factory

{T}: Add {C}.
{1}: This land becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.
{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.

Nut Collector

At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token.
Threshold — All Squirrels get +2/+2 as long as seven or more cards are in your graveyard.

Prevent all combat damage that would be dealt this turn.