Time Spiral

Clockwork Hydra enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Hydra attacks or blocks, remove a +1/+1 counter from it. ...

{T}: Add {U}. {1}{U}: Chronatog Totem becomes a 1/2 blue Atog artifact creature until end of turn. {0}: Chronatog Totem gets +3/+3 until end of tur...

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color. When Chromatic Star is put into a graveyard from the battlefield, draw a card.

{4}, {T}: Reveal the top card of your library. If it has the same name as a card in your graveyard, put it into your graveyard. Otherwise, draw a c...

Flying Brass Gnat doesn't untap during your untap step. At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Gnat.

{T}: Target Assembly-Worker creature gets +1/+1 until end of turn.