Damien, Scholar of the Lost

Other black creatures you control have undying and +1/-1
Other blue creatures you control have phasing and +0/+1
Other green creatures you control have rampage 1 and menace
Other multicolor creatures you control have intimidate and convoke

Non-creature spells you cast with a retro border
have a flashback cost equaling their converted mana cost minus {1}
All lands are considered snow-covered
"I just think those little guys are neat!" -Damien