Absorb is not a powerful card, it is just a wonderfully appropriate one and still gets a lot of play as a result
During those adventures, the Weatherlight crew eventually discover plans for a full-scale assault of Magic s original setting, Dominaria, by the Phyrexians (biomechanical monsters from an artificial world created by the evil eugenicist Yawgmoth), thus setting the stage for Invasion
His +1 can even untap your mana rocks to keep the party going
As the number of cards you can use during a turn is only limited by the amount of mana you have in your pool (compared to the summoning limits of a game like Yu-Gi-Oh!), Black Lotus could allow a player, especially one playing an aggressive Red mana deck, the opportunity to destroy their opponent with zero ability to be countered
Similarly, jamming your deck full of on-color cards that utilize Experience Counters will further improve the synergy
Forcing all players to only add one mana color to their mana pool can really grind games to a halt