EDH Achievements:

Nothing you can do about it:  -1 Point
Win by via an alternative win condition than Elimination.  (such as Test of Endurance, ect)

Oh, me again?  -1 Point  Take more than 2 turns in a row.  (culuminative).  Only awarded if a spell or effect directly controlled by you leads to this outcome.  Is not awarded if your opponent deliberately skips 2 or more turns due to their own spells or abilities.

Super Scooper:  -1 Point. Remove from play all of at least one permanent type.  This can be awarded to multiple players per session but only once per player per session.

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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.

General First Blood: +1 point, awarded once per session.
Directly cause one of your 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.

..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: +1 point:  Top deck the card that causes someone else's elimination.  Must be revealed when drawn 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.  +1 point

Shock and Awe: Do more than 50 points of damage in a single turn. +1 point

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

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

Mine!: Be the first player to take control of another player's spell or permanent. +1 point, awarded once per session.

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.

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

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

Third time's a charm: Play your general from the command zone for the 3rd time in a session: +1 point.

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