: Add .: Mishra's Factory becomes a 2/2 Assembly-Worker artifact creature until end of turn. It's still a land.: Target Assembly-Worker creature gets +1/+1 until end of turn.
At the beginning of your upkeep, target non-Wall creature an opponent controls gains forestwalk until your next upkeep. (It can't be blocked as long as defending player controls a Forest.)
As an additional cost to cast this spell, sacrifice a creature.Add X mana of any one color, where X is 1 plus the sacrificed creature's mana value. Spend this mana only to cast creature spells.
FlyingTetravus enters with three +1/+1 counters on it.At the beginning of your upkeep, you may remove any number of +1/+1 counters from Tetravus. If you do, create that many 1/1 colorless Tetravite artifact creature tokens. They each have flying and "This creature can't be enchanted."At the beginning of your upkeep, you may exile any number of tokens...
Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)Colossus of Sardia doesn't untap during your untap step.: Untap Colossus of Sardia. Activate only during your upkeep.
At the beginning of your upkeep, put a wind counter on Cyclone, then sacrifice Cyclone unless you pay for each wind counter on it. If you pay, Cyclone deals damage equal to the number of wind counters on it to each creature and each player.
