Is it my turn yet? +1 point, culuminative.  Awarded to any player who is denied their turn for the 3rd turn in a row when another player takes an additional turn.  This accumulates for each turn taken beyond the third.

Super Scooper: Have all of at least one type of permanent (Lands, Artifacts, Creatures, Enchantments, Planeswalkers) you control leave play by a board wiping ability.  (Losing a single creature to a targetted spell does not count, only if the card in question states that it destroys/removes 'all' of something.) +1 point.  Can be awarded once per player per session.

That Damned Scepter: Have an Opponent's Isochron Scepter used against you to counter a spell for the third time in a session. +1 point.  Awarded once per session.

Hosed: Have a color hoser spell played on you. +1 point, can be awarded once per session.

Eliminator: +1 point, culuminative.
Directly eliminate a player by forcing them to draw with an empty library (awarded also if you remove the last card of their library via milling and they then are forced to draw normally) or dealing lethal damage to a player that causes them to fall at or below 0 Life Total, or causing them to gain a 10th poison counter. This is worth an additional point if you eliminate someone with 21 or more points of general damage or if your general delivers the 10th poison counter.

General First Blood: +1 point, awarded once per session.
Directly cause the first of any opponent's generals to leave play for any reason.

First Blood: +1 point, awarded once per session.  Directly cause the first point of damage to a player in a session other than yourself.  This achievement is worth 2 points if this damage is dealt with a general.

Braingeyser: Awarded once per session. +3 points
Draw 20 or more cards in a single turn.

That was rude: Be the first person in a session to have one of your spells countered.  +1 point, once per session.

Sorry: Be the first person to have one of your cards returned to your hand via an opponent's spell or effect.  +1 point.  Awarded once per session.

It's always me: Be the first person to have one of your permanents leave play for any reason. +1 point, Awarded once per session.

Unlucky: Be the first person to be forced to discard a card for any reason. +1 point.  Note: This can occur your first turn if you do not play anything on your first turn.  Can be awarded once per session.

..And I'll Top: Awarded once per session.  +1 point.  First person to play Sensei's Divining Top in a session.

And the meek shall inherit Dominaria: +3 points. Can be awarded multiple times:  Deal Lethal damage to a player with a creature that began the turn or entered play this turn as a 1/1.

I had it all along..cough: +2 points:  Win the game with 5 or more life remaining.

Heart of the Cards: +3 points:  Top deck the card that causes someone else's elimination.  Must be revealed when drawn or when Hellbent before your draw to gain the point.

Poisoned!: Eliminate a player via poison counters.  +1 Point. (This is in addition to the point you gain when defeating a player)

Real Estate Developer: Awarded once per session +1 point.  Play your 10th land in a session.

Overkill: Do more than 20 lethal damage over the amount needed to kill someone.  +2 points

Shock and Awe: Do more than 50 points of damage in a single turn. +2 points

Enchanting: Control 10 or more enchantments in play.  Awarded Once per player per session. +1 point.

Relic Collector:  Control 10 or more non-land artifacts.  Awarded once per player per session. +1 point.

Creature Feature:  Control 20 or more creatures. +1 point

Running out of counters: Put 10 or more tokens or counters into play in a single turn. +1 point. This achievement is awarded once per session.

Guys, find the pennies!: Put 20 or more tokens or counters into play in a single turn. +2 points.  (This is in addition to the above achievement)  This achievement is awarded once per session.

Mine!: Take control of another player's spell or permanent. +1 point, awarded once per player per session and does not count exchanges or any spell or effect controlled by an opponent.

Lucky Seven:  Put the seventh spell on a single stack. +1 point.  Can be awarded multiple times per session.

Threshold: First person in a session to obtain Threshold. (7 or more cards in your graveyard.) +1 point.  Once per session.

Hellbent: Be the first person in a session to have 0 cards in hand. +1 point.  Once per session.

Superthreshold: Have 50 or more cards in your graveyard: +2 points.  Awarded once per session.

That's 3 digits, pal: Reach 100 Life Total.  This can be awarded once per player per session and is only awarded when the stack is empty. +3 points

Third time's a charm: Play your general from the command zone for the 3rd time in a session: +1 point.  Can be awarded once per player per session.

After the fifth time, you'd think they'd get the hint: Play your general from the command zone for the fifth time in a session. +2 points. Can be awarded only once per session to a single player.

Victory: Be the last person standing in a game session. +1 point, awarded to all remaining players in the event of time or a tie.