"Magic 2015 Core Set", +=3 (17)
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
: Target creature can't be blocked this turn.
, Sacrifice another creature: Put a +1/+1 counter on Blood Host and you gain 2 life.
Sliver creatures you control have "When this creature enters, you may exile target creature an opponent controls until this creature leaves the battlefield."
Defender (This creature can't attack.)
: Until end of turn, Gargoyle Sentinel loses defender and gains flying.
Flying
When Invasive Species enters, return another permanent you control to its owner's hand.
Whenever Kapsho Kitefins or another creature you control enters, tap target creature an opponent controls.
Kird Chieftain gets +1/+1 as long as you control a Forest.
: Target creature gets +2/+2 and gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)
When Necrogen Scudder enters, you lose 3 life.
When Necromancer's Assistant enters, mill three cards.
Flying (This creature can't be blocked except by creatures with flying or reach.)
When Rotfeaster Maggot enters, exile target creature card from a graveyard. You gain life equal to that card's toughness.
As long as you control an artifact, Scrapyard Mongrel gets +2/+0 and has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)
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: Until end of turn, Gargoyle Sentinel loses defender and gains flying.