Mark, the Thinker

{t}: Add {c}.

{1}: Mark gains reach until end of turn.

{2}: Mark gets +2/+2 until end of turn.

{3}: Create a colourless Marks Hoorsträne artifact
token with: "Whenever you draw a card gain 1 life."
and "{2}, Sacrifice Marks Hoorsträne: Draw a card
then discard a card."