Lightning Reaver

Haste

At the beginning of each player's end step, if no creatures attacked this turn, put a fury counter on this creature. Then this creature deals damage equal to the number of fury counters on it to that player.

At the beginning of each end step, if it's an opponent's turn, put a +1/+1 counter on this creature for each 1 damage dealt to you this turn.

At the beginning of your end step, remove all +1/+1 counters from this creature.

Trample

Whenever you cast a creature spell, put two +1/+1 counters on this creature. If that spell has mana value 5 or greater, this creature deals damage equal to the number of counters on it to each opponent.

, Sacrifice a land: Put a +1/+1 counter on this creature.

At the beginning of your end step, you may have this creature deal damage equal to the number of +1/+1 counters on it to target player or planeswalker.

Flying

Haste (This creature can attack and as soon as it comes under your control.)

Whenever this creature deals combat damage to a player, put two +1/+1 counters on it.

Trample

At the beginning of your end step, put a +1/+1 counter on this creature for each opponent who was dealt damage this turn.