Contagion EngineWhen Contagion Engine enters, put a 1 1 counter on each creature target player controls. , : Proliferate twice. (Choose any number of permanents and or players, then give each another counter of each kind already there. Then do it again.)

Whenever Ancient Gold Dragon deals combat damage to a player

you may gain 1 life

you gain 2 life

Whenever you cast a white spell

First of Locthwain or another black creature you control enters

If you would create a Clue

instead create one of each

Sacrifice this land: Put your commander into your hand from the command zone

: Add one mana of any color in your commander's color identity

You lose 1 life

this creature deals 3 damage to target player or planeswalker

Grand Unifier enters