When Bloodrage Alpha enters the battlefield, choose one — • Another target Wolf or Werewolf you control fights target creature you don't control. • When you cast your next Wolf or Werewolf spell, it gains "When this creature enters the battlefield, it fights up to one target creature you don't control."
Protean Hydra enters the battlefield with X +1/+1 counters on it. If damage would be dealt to Protean Hydra, prevent that damage and remove that many +1/+1 counters from it. Whenever a +1/+1 counter is removed from Protean Hydra, put two +1/+1 counters on it at the beginning of the next end step.
Whenever one or more non-Human creatures you control attack, look at the top six cards of your library. You may put a Human creature card from among them onto the battlefield tapped and attacking. It gains indestructible until end of turn. Put the rest of the cards on the bottom of your library in a random order.
Prowess You may look at the top card of your library any time. You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash.
Trample, haste If you would put one or more counters on a permanent or player, put twice that many of each of those kinds of counters on that permanent or player instead. If an opponent would put one or more counters on a permanent or player, they put half that many of each of those kinds of counters on that permanent or player instead, rounded down.
When Massacre Wurm enters the battlefield, creatures your opponents control get -2/-2 until end of turn. Whenever a creature an opponent controls dies, that player loses 2 life.
{TK}{TK} — Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is the amount of generic mana in that spell's mana cost. {TK}{TK}{TK} — Hexproof {TK}{TK} — 4/2 {TK}{TK}{TK}{TK} — 6/6
When Fiery Inscription enters the battlefield, the Ring tempts you. Whenever you cast an instant or sorcery spell, Fiery Inscription deals 2 damage to each opponent.
Equipped creature gets +3/+3. Whenever equipped creature attacks, it doesn't untap during its controller's next untap step. Whenever Stitcher's Graft becomes unattached from a permanent, sacrifice that permanent. Equip {2}
Spike Colony enters the battlefield with four +1/+1 counters on it. {2}, Remove a +1/+1 counter from Spike Colony: Put a +1/+1 counter on target creature.
Flying When Patron of the Vein enters the battlefield, destroy target creature an opponent controls. Whenever a creature an opponent controls dies, exile it and put a +1/+1 counter on each Vampire you control.
Trample Whenever you attack, choose one — • Create a tapped and attacking X/X green Dinosaur creature token with trample, where X is the greatest power among other attacking creatures. • Create X 1/1 white Vampire creature tokens with lifelink, where X is the number of other attacking creatures.