Trample Other Orcs and Goblins you control have trample. Whenever Orcish Siegemaster attacks, it gets +X/+0 until end of turn, where X is the greatest power among creatures you control.
Flying If you would draw a card while your library has no cards in it, instead put five +1/+1 counters on Ormos, Archive Keeper. {1}{U}{U}, Discard three cards with different names: Draw five cards.
Impending 5—{1}{B} Whenever Overlord of the Balemurk enters or attacks, mill four cards, then you may return a non-Avatar creature card or a planeswalker card from your graveyard to your hand.
Impending 4—{1}{G}{G} Whenever Overlord of the Hauntwoods enters or attacks, create a tapped colorless land token named Everywhere that is every basic land type.
Flying When Overseer of the Damned enters, you may destroy target creature. Whenever a nontoken creature an opponent controls dies, create a tapped 2/2 black Zombie creature token.
Oyaminartok, Polar Werebear has hexproof if it hasn't dealt damage yet. Whenever Oyaminartok deals combat damage to a player, create a Food token. {U}, Sacrifice a Food: Draft a card from Oyaminartok's spellbook. When you do, add {U}{U}{U}. Spend this mana only to cast blue creature spells.
"To the head of Archaeological Findings: The excavation schedule at dig site 93-beta must be revised. Part of the site has walked off." —Tolarian field dispatch
Flying, first strike, vigilance Whenever Parhelion II attacks, create two 4/4 white Angel creature tokens with flying and vigilance that are attacking. Crew 4
When Perforator Crocodile enters, for each creature your opponents control, conjure a card named Stab Wound onto the battlefield attached to that creature. Cycling {1}{B}
Indestructible As long as your devotion to black and green is less than seven, Pharika isn't a creature. {B}{G}: Exile target creature card from a graveyard. Its owner creates a 1/1 black and green Snake enchantment creature token with deathtouch.