InQuest

At the beginning of your upkeep, reveal the top card of your library. If it is an artifact, put it into the battlefield. If it is a land, sacrifice Dirty, Stinkin' Elf. If it is neither an artifact nor a land, exile that card.

Shroud
At the beginning of your upkeep, flip a coin. If tails, choose an artifact or creature you control. If heads, an opponent chooses an artifact or creature they control. Exile the chosen permanent until Gelatinous Cube leaves the battlefield. Unless a permanent is exiled in this way, Gelatinous Cube must attack this turn if able.

Enchant creature
Enchanted creature has trample.
When Kari Horde enters the battlefield, sacrifice any number of Forests, and then search your library for that many Insect creature cards and exile them, and then shuffle.
Enchanted creature has +2/+2 for each of those exiled cards.
When Kari Horde dies, put those exiled cards into the battlefield tapped.

Enchant creature
Fading 8
At the beginning of the upkeep of enchanted creature's owner, enchanted creature's controller draws a number of cards equal to that creature's power, and then sacrifices that creature, and chooses a creature controlled by an opponent of that player, and then attach Mirri's Sexy Lifeless Corpse to the chosen creature.

, Put a -1/-1 counter on each creature you control: Creatures you control gain your choice of first strike, flying, haste, or trample, until end of turn. This ability can be used only once per turn.

Trample
, : Each player reveals the top card of their library. Put any creature cards with mana value three or less revealed this way into the battlefield in your control. Can be used only during your upkeep.

When Tribbles enters the battlefield, create a 0/1 green Tribble creature token.
At the beginning of your upkeep, create X 0/1 green Tribble creature tokens, where X is the number of Tribble tokens in the battlefield.
When the number of Tribble tokens is greater than the number of non-Tribble permanents, you lose the game.