Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: This artifact deals 50 damage to any target.

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Artifacts and creatures your opponents control enter tapped.

Target creature you control deals damage equal to its power to each other creature and each opponent.

(Gain the next level as a sorcery to add its ability.) If you would gain life, you gain that much life plus 1 instead. {3}{W}: Level 2 Whenever you gain life, put a +1/+1 counter on target creature you control. {4}{W}: Level 3 When this Class becomes level 3, return target creature card from your graveyard to the battlefield. You gain life equal to that creature's toughness.

Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.

Whenever you gain life, you may pay {2}. If you do, draw a card. {3}{W}: Create a 1/1 white Soldier creature token with lifelink.

Each opponent loses two times X life. You gain life equal to the life lost this way.

Whenever an opponent loses life, you gain that much life.

First strike At the beginning of each of your postcombat main phases, look at the top X cards of your library, where X is the total amount of life your opponents lost this turn. Exile one of those cards and put the rest on the bottom of your library in a random order. You may play the exiled card this turn.

Whenever you pay life, put that many blood counters on this enchantment. {1}{B}, Remove four blood counters from this enchantment: Destroy target creature.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

Flying Lifelink (Damage dealt by this creature also causes you to gain that much life.) At the beginning of your end step, if you gained 3 or more life this turn, each opponent loses 3 life.

Whenever an opponent casts a noncreature spell, that player loses 2 life and you gain 2 life.

Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead.

Converge — You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.

At the beginning of your upkeep, you draw a card and you lose 1 life.

Lifelink (Damage dealt by this creature also causes you to gain that much life.) If you would gain life, you gain twice that much life instead.

Whenever you gain life, target opponent loses that much life.

Equipped creature gets +1/+1 and has trample and lifelink. {1}: Permanents your opponents control lose hexproof and indestructible until end of turn. Equip {2}

During your turn, creatures and planeswalkers you control have lifelink. +2: Sorin deals 1 damage to target player or planeswalker. −X: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types.

Whenever another creature enters, you gain 1 life.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

Until your next turn, your life total can't change and you gain protection from everything. All permanents you control phase out. (While they're phased out, they're treated as though they don't exist. They phase in before you untap during your untap step.) Exile Teferi's Protection.

Lifelink (Damage dealt by this creature also causes you to gain that much life.) Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Flying Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your upkeep, if you have the city's blessing, reveal the top card of your library and put it into your hand. Each opponent loses X life and you gain X life, where X is that card's mana value.

Destroy target artifact you don't control. Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Flying {B}, Pay 2 life: Target creature gets -1/-1 until end of turn. Whenever you lose life, draw that many cards. (Damage causes loss of life.)

{1}{W}{B}: Target creature gains lifelink until end of turn. {1}{W}{B}: Whenever you gain life this turn, each opponent loses that much life.

Vigilance, lifelink {T}, Pay 7 life: Destroy target nonland permanent. Activate only during your turn.