Juggernaut

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

Dragon Engine

{2}: Dragon Engine gets +1/+0 until end of turn.

Tobias Andrion

Sea Troll

{U}: Regenerate Sea Troll. Activate only if Sea Troll blocked or was blocked by a blue creature this turn.

Reconstruction

Return target artifact card from your graveyard to your hand.

Clone

You may have Clone enter as a copy of any creature on the battlefield.

Phantasmal Forces

Flying
At the beginning of your upkeep, sacrifice Phantasmal Forces unless you pay {U}.

Drain Power

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Tundra Wolves

First strike (This creature deals combat damage before creatures without first strike.)

Sunken City

At the beginning of your upkeep, sacrifice Sunken City unless you pay {U}{U}.
Blue creatures get +1/+1.

Enervate

Tap target artifact, creature, or land.
Draw a card at the beginning of the next turn's upkeep.

Plains

Illusionary Forces

Flying
Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Island

Flood

{U}{U}: Tap target creature without flying.

Mishra's Factory

{T}: Add {C}.
{1}: Mishra's Factory 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.

Pirate Ship

Pirate Ship can't attack unless defending player controls an Island.
{T}: Pirate Ship deals 1 damage to any target.
When you control no Islands, sacrifice Pirate Ship.

Water Elemental

Balance

Each player chooses a number of lands they control equal to the number of lands controlled by the player who controls the fewest, then sacrifices the rest. Players discard cards and sacrifice creatures the same way.