Santa’s Clause

At the beginning of your upkeep, choose any number of players, those players get a colorless present artifact with ({3}sacrifice this token, draw a card and gain 1), then for each present token an opponent controls add 1 mana of any color to your mana pool.
Whenever an opponent removes another players permanent from the battlefield or counters a spell, that player gets a colorless coal artifact token with (spells you cast cost 1 more to cast).