YMTC Possible Submissions
At the beginning of each end step each player discards two cards unless he or she discards one creature card.
When CARDNAME enters the battlefield choose a color. All creatures of the chosen color get -1/-1.
During each upkeep put a -1/-1 on target.
Sacrifice CARDNAME: All creatures get -2/-2 until end of turn.
Fill the Catacombs
When CARDNAME enters the battlefield each player may search his or her library for any number of creature cards and put them into their graveyard.
Sacrifice a creature: Return target creature card from your graveyard to your hand. If the creature sacrificed this way was a Zombie CARDNAME deals 1 damage to each other player. You gain life equal to the damage dealt this way.
Consume the Living
Vampire and Zombie creatures you control have deathtouch.
Whenever a Vampire creature you control deals combat damage to an opponent that player loses 2 life and you gain 2 life.
Whenever a Zombie creature you control deals combat damage to an opponent that player discards a card.
Harness the Darkness
When CARDNAME enters the battlefield discard your hand.
During your upkeep lose 2 life and draw 2 cards.
At the beginning of your upkeep, put a tombstone counter on CARDNAME, then search your library for X cards where X is the number of tombstone counters on CARDNAME, put those cards into your graveyard, and shuffle your library. Then, you lose X life for each tombstone counter on CARDNAME.
At the beginning of your upkeep, each opponent loses 2 life if you control 3 or more swamps. Gain life equal to the life lost this way.
At the beginning of your upkeep, each opponent discards a card if you control 6 or more swamps. Draw cards equal to the number of cards discarded in this way.
At the beginning of your upkeep, each opponent sacrifices a creature if you control 9 or more swamps. Return a creature card of your choice from your graveyard to the battlefield for each creature sacrificed this way.
You may pay black mana as though it were mana of any color.
Whenever you play a non black spell, you lose 1 life.
Whenever you play a non Swamp land, you lose 1 life.