Némésis

You may choose not to untap Flowstone Armor during your untap step. {3}, {T}: Target creature gets +1/-1 for as long as Flowstone Armor remains tap...

{1}, {T}, Sacrifice Parallax Inhibitor: Put a fade counter on each permanent with fading you control.

{T}: Add {C}. {1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.

Fading 5 (This creature enters the battlefield with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If yo...

{T}: Add {C}. {4}, {T}, Sacrifice a land: Rath's Edge deals 1 damage to any target.

At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in their hand minus 4.

{1}: Flowstone Thopter gets +1/-1 and gains flying until end of turn.

Whenever Flint Golem becomes blocked, defending player mills three cards.

At the beginning of your upkeep, if you control seven or more permanents, return Complex Automaton to its owner's hand.

At the beginning of each opponent's upkeep, Rackling deals X damage to that player, where X is 3 minus the number of cards in their hand.

At the beginning of each opponent's upkeep, Viseling deals X damage to that player, where X is the number of cards in their hand minus 4.

{2}: Target creature gains flying until end of turn. {5}, {T}: Destroy target creature with flying.