[CONT]: Sentinel (You may only have up to four cards with "[CONT]: Sentinel" in a deck) [AUTO]:[Counter Blast (1)] When this is placed on (GC) from hand, if you have a «Megacolony» vanguard, you may pay the cost. If you do, reveal five cards from the top of your deck. Call all «Megacolony» to (GC) at [Rest] from among them, and put the rest into your drop zone.