Focus Punch

Shroud
Enchant nonInsect, nonSnake, nonSerpent,
nonWurm creature.
Enchanted creature has "{r/w}, {t}: Enchanted
creature gets +X/+0 and gains trample and last
-strike until end of turn, and attacks target player,
where X is its power. That player may assign creatures to block enchanted creature during this
turn." (This creature deals combat damage after
creatures without last strike.)