Juggernaut

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

Lightning-Core Excavator

{5}, {T}, Sacrifice Lightning-Core Excavator: It deals 3 damage to any target.

Vigilance
{2}: Add one mana of any color.

Draw three cards. Then discard two cards unless you discard an artifact card.

When this creature enters, destroy target nonland permanent an opponent controls.

{T}: Add {C}.
{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

{U}, Sacrifice Aether Spellbomb: Return target creature to its owner's hand.
{1}, Sacrifice Aether Spellbomb: Draw a card.

{T}: Add one mana of any color.
{T}: Target creature becomes the color or colors of your choice until end of turn.

When Archaeomancer enters, return target instant or sorcery card from your graveyard to your hand.

Equipped creature gets +1/+1.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{3}: Jousting Dummy gets +1/+0 until end of turn.

{1}, Sacrifice a Scarecrow: Draw a card.
{4}, {T}: Return target artifact creature card from your graveyard to the battlefield.

Thriving Isle enters tapped. As it enters, choose a color other than blue.
{T}: Add {U} or one mana of the chosen color.