Escudante sofisticada (Dapper Shieldmate)
Escudante sofisticada 

Mientras sea tu turno, la Escudante sofisticada obtiene +2/+0.
Texto de reglas (Oracle, inglés)
During your turn, this creature gets +2/+0.
Los Mediadores descienden de los paladines de la antigua Capenna y dominan a la perfección el combate defensivo.
Legalidad
Aclaraciones de reglas (en inglés)
2022-04-29
Shield counters don't prevent players from sacrificing creatures.
2022-04-29
Removing a shield counter in this way isn't the same as regenerating a creature.
2022-04-29
If a permanent that would be dealt damage has more than one shield counter on it, that damage is prevented and only one shield counter is removed.
2022-04-29
If a permanent with a shield counter is dealt unpreventable damage, that damage will be dealt and a shield counter will still be removed.
2022-04-29
A creature with a shield counter on it may still be destroyed by state-based actions if it has damage marked on it equal to its toughness or has been dealt unpreventable damage by a source with deathtouch.
2022-04-29
“Shield” is not an ability that creatures have and shield counters are not keyword counters. If a creature with a shield counter loses its abilities, the shield counter will still protect it as normal.