DynoBot T-cog

When DynoBot T-Cog enters the battlefield, choose Spino, Trike, Stego, Pteranodon, or Trex.
Spino- Enchanted creature gets +4/+4
Trike- Enchanted creature gets +3/+5
Stego- Enchanted creature gets +5/+3
Pteranodon- Enchanted creature gains flying and
gets +2/+2
Trex- Enchanted creature gets {2}{x}{t}: Deal X
damage to target creature or planeswalker