Simic Bio-Furnaces

Enchant land
Whenever a creature enters the battlefield under your control with +1/+1 counters on it, you may remove one. If you do, untap enchanted land.
"G, A, T, C, they spell the words of 'you' and 'me'. But all you need is U and G to spell out 'possibility'." --Simic skipping rhyme