Math is for Blockers

Choose one or more —
• Target creature gets +X/+0 and gains trample
until end of turn where X is equal to the number
of creatures you control.
• Target creature gets +Y/+Y and gains menace
until end of turn where Y is equal to half of X
rounded down.
• Creatures you control gain Bushido 1, Mentor,
Training, and Battle cry until end of turn.