Mechtitan

Mechtitan is all colors.
Flying, vigilance, trample, lifelink, haste

Clue

{2}, Sacrifice this artifact: Draw a card.

{T}, Sacrifice this token: Add one mana of any color.

Vigilance
Whenever you draw a card, put a +1/+1 counter on this creature.

(This token can be used to represent a token that's a copy of a permanent.)

Decayed (This creature can't block. When it attacks, sacrifice it at end of combat.)

{2}, {T}, Sacrifice this token: You gain 3 life.

This creature gets +1/+1 for each artifact you control.