You Attack The Goblin

Choose target creature, then roll a d20.
1-2 I Miss — Prevent all combat damage it would deal this turn.
3-10 I It gets +3/+0 until end of turn.
11-19 I It gets +5/+0 and gains first strike until end of turn.
20 I It gets +20/+0 and gains first strike and trample until end of turn.