When Decimator Beetle enters the battlefield, put a -1/-1 counter on target creature you control.
Whenever Decimator Beetle attacks, remove a -1/-1 counter from target creature you control and put a -1/-1 counter on up to one target creature defending player controls.

Elaborate Firecannon doesn't untap during your untap step.
, : Elaborate Firecannon deals 2 damage to any target.
At the beginning of your upkeep, you may discard a card. If you do, untap Elaborate Firecannon.

Activated abilities of creature cards in your graveyard cost less to activate.
Tap an untapped Zombie you control: Target player mills a card.

Target player draws two cards and loses 2 life.

Flying
Sphinx spells you cast cost less to cast.
Whenever Unesh, Criosphinx Sovereign or another Sphinx enters the battlefield under your control, reveal the top four cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.