Lupine Prototype

Lupine Prototype can't attack or block unless a player has no cards in hand.

Bloodrage Brawler

When Bloodrage Brawler enters, discard a card.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Imaginary Pet

At the beginning of your upkeep, if you have a card in hand, return Imaginary Pet to its owner's hand.

Slagwoods Bridge

Slagwoods Bridge enters tapped.
Indestructible
{T}: Add {R} or {G}.

Troublemaker Ouphe

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)
When Troublemaker Ouphe enters, if it was bargained, exile target artifact or enchantment an opponent controls.

Silverbluff Bridge

Silverbluff Bridge enters tapped.
Indestructible
{T}: Add {U} or {R}.

Sheltering Ancient

Trample
Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (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.)