Clockwork Beast Coldsnap All you need to do

All you need to do is start

convert Optimus Prime

you can't be attacked except by creatures with flying and/or islandwalk

The sleeves are optimized in size to ensure a professional protection and work perfectly for double-sleeving (sleeve-within-sleeve)

then you may put a permanent card with mana value less than or equal to the number of lands you control from your hand onto the battlefield tapped

Clockwork Beast Coldsnap All you need to doThis creature enters with seven +1 +0 counters on it. At end of combat, if this creature attacked or blocked this combat, remove a +1 +0 counter from it. {X}, {T}: Put up to X +1 +0 counters on this creature. This ability can't cause the total number of +1 +0 counters on this creature to be greater than seven. Activate only during your upkeep.