Goblin Artisans Weekend Challenges

: All-consuming Ooze fights target creature with toughness at least half of All-consuming Ooze's toughness.
Whenever a creature dealt damage by All-consuming Ooze this turn dies, put a +1/+1 counter on All-consuming Ooze.

Mother of All Oozes enters the battlefield with four +1/+1 counters on.
At the beginning of your upkeep, double the number of +1/+1 counters on Mother of All Oozes.
, Remove X +1/+1 counters from Mother of All Oozes: search your library for an Ooze creature card with converted mana cost X or less and put it onto the battlefield. Shuffle your library.

Riddle Game (You and target opponent simultaneously reveal a card from your hand.)
Put X +1/+1 counters on target creature, where X is the difference in converted mana cost between the two revealed cards.