MTG

{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

Whenever Deathgazer blocks or becomes blocked by a nonblack creature, destroy that creature at end of combat.

Destroy target nonblack creature. It can't be regenerated.

Target player discards a card for each Swamp you control.

Target opponent reveals their hand. You choose a card from it. That player discards that card.

Defender (This creature can't attack.) {1}{B}: Regenerate Carrion Wall.

Target player discards two cards.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{1}: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

When Maggot Carrier enters the battlefield, each player loses 1 life.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Flying Whenever Abyssal Specter deals damage to a player, that player discards a card.

{1}: The next time a white source of your choice would deal damage to you this turn, prevent that damage.

When Wrath of Marit Lage enters the battlefield, tap all red creatures. Red creatures don't untap during their controllers' untap steps.

Flying

{B}: Looming Shade gets +1/+1 until end of turn.

Defender, flying (This creature can't attack, and it can block creatures with flying.)

Return target creature to its owner's hand.

When Gravedigger enters the battlefield, you may return target creature card from your graveyard to your hand.

{2}{U}{U}: Draw a card.

{1}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Flying (This creature can't be blocked except by creatures with flying or reach.) Whenever Thieving Magpie deals damage to an opponent, draw a card.

{U}{U}{U}, {T}: Return target permanent to its owner's hand.