Tower Above (SHM) from Shadowmoor, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Thomas Denmark
• Card Text:
  ((2/G) can be paid with any two mana or with G. This card's converted mana cost is 6.)
  Until end of turn, target creature gets +4/+4 and gains trample, wither, and "When this creature attacks, target creature blocks it this turn if able." (It deals damage to creatures in the form of -1/-1 counters.)