Gary Clone - [Surge Foil] Fallout (PIP) Modern Wraiths you control have base

Wraiths you control have base power and toughness 9/9 until end of turn

) When Goblin Bushwhacker enters the battlefield

so does all life around it

but I believe a more mundane power source might suffice

Sundown Pass enters the battlefield tapped unless you control two or more other lands

Gary Clone - [Surge Foil] Fallout (PIP) Modern Wraiths you control have baseSquad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.) Whenever Gary Clone attacks, each creature you control named Gary Clone gets +1 +0 until end of turn. "Gary!"