Bulwark Ox

Whenever this creature attacks while saddled, put a +1/+1 counter on target creature.
Sacrifice this creature: Creatures you control with counters on them gain hexproof and indestructible until end of turn.
Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Siempre que esta criatura ataque mientras está ensillada, pon un contador +1/+1 sobre la criatura objetivo.
Sacrificar esta criatura: Las criaturas que controlas con contadores sobre ellas ganan las habilidades de antimaleficio e indestructible hasta el final del turno.
Ensillar 1.