Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect doesn't end at end of turn.) Morph UU (You may play this face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.)
T: Add C. 4, T: Proliferate (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
At the beginning of your upkeep, if you control six or more lands, put a 5/5 red Dragon creature token with flying onto the battlefield.
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
Changeling (This card is every creature type.) Changeling Outcast can't block and can't be blocked.
Deathtouch Morph—Reveal a black card in your hand. (You may cast this card face down as a 2/2 creature for 3. Turn it face up any time for its morph cost.) When Ruthless Ripper is turned face up, target player loses 2 life.
Double strike Whenever Goring Ceratops attacks, other creatures you control gain double strike until end of turn.
T: Add C. T: Add one mana of any color. Activate only if Mirrex entered the battlefield this turn. 3, T: Create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." (Players dealt combat damage by it also get a poison counter.)
Enchant snow land you control When On Thin Ice enters the battlefield, exile target creature an opponent controls until On Thin Ice leaves the battlefield.
When Eternal Witness enters, you may return target card from your graveyard to your hand.
Activated abilities cost {2} more to activate unless they’re mana abilities.
Menace {T}: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells. Once during each of your turns, you may cast a Dragon creature spell from your graveyard. Whenever you cast a Dragon creature spell from your graveyard, it gains “When this creature dies, exile it.”