Ripjaw Citysmasher

Link (When this creature enters the battlefield, you
may tap target creature you control. If you do, that creature does not untap as long as this creature
remains on the battlefield.)
If Ripjaw Citysmasher is linked, it gets
+4/+4.
"More guns, more damage. Reactor, uhh, will be
fine!" - Erika, Ripjaw Engineer