Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Juggernaut

This creature attacks each combat if able.
This creature can't be blocked by Walls.

Island

Llanowar Elves

Unsummon

Return target creature to its owner's hand.

Feldon's Cane

{T}, Exile this artifact: Shuffle your graveyard into your library.

Shock

Duress

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.

Fire Elemental

Fog Bank

Defender (This creature can't attack.)
Flying
Prevent all combat damage that would be dealt to and dealt by this creature.

Confiscate

Enchant permanent
You control enchanted permanent.

Annul

Counter target artifact or enchantment spell.

Forest

Sleight of Hand

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Plains

Blanchwood Armor

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Serra Angel

Flying
Vigilance (Attacking doesn't cause this creature to tap.)

Giant Growth

Target creature gets +3/+3 until end of turn.

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Swamp

Disenchant

Shivan Dragon

Flying
{R}: This creature gets +1/+0 until end of turn.