Put a +1/+1 counter on target creature.
Morbid — Put three +1/+1 counters on that creature instead if a creature died this turn.

Whenever Hydra Omnivore deals combat damage to an opponent, it deals that much damage to each other opponent.

Ignition Team enters the battlefield with X +1/+1 counters on it, where X is the number of tapped lands on the battlefield.
, Remove a +1/+1 counter from Ignition Team: Target land becomes a 4/4 red Elemental creature until end of turn. It's still a land.

Exile Ill-Gotten Gains. Each player discards their hand, then returns up to three cards from their graveyard to their hand.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Creatures you control with the chosen name have haste.

Whenever Infectious Horror attacks, each opponent loses 2 life.

Creature tokens you control get +1/+1 and have vigilance.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)
Whenever you cast an instant or sorcery spell with the chosen name, you may draw a card.

Flying
Whenever Jetting Glasskite becomes the target of a spell or ability for the first time each turn, counter that spell or ability.

All damage that would be dealt this turn to target creature you control by a source of your choice is dealt to another target creature instead.

Look at the top five cards of your library. You may reveal any number of creature cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in any order.

Flying
When Liliana's Specter enters the battlefield, each opponent discards a card.

Reveal Lore Seeker as you draft it. After you draft Lore Seeker, you may add a booster pack to the draft. (Your next pick is from that booster pack. Pass it to the next player and it's drafted this draft round.)

Reveal Lurking Automaton as you draft it and note how many cards you've drafted this draft round, including Lurking Automaton.
Lurking Automaton enters the battlefield with X +1/+1 counters on it, where X is the highest number you noted for cards named Lurking Automaton.

Flying
Will of the council — When Magister of Worth enters the battlefield, starting with you, each player votes for grace or condemnation. If grace gets more votes, each player returns each creature card from their graveyard to the battlefield. If condemnation gets more votes or the vote is tied, destroy all creatures other than Magister of Worth.

, Sacrifice Magus of the Mirror: Exchange life totals with target opponent. Activate this ability only during your upkeep.

Add for each tapped land your opponents control.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)

Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.)
Whenever Marchesa's Infiltrator deals combat damage to a player, draw a card.