Pachirisu

At the beginning of your upkeep get {e}.
{t}: Pachirisu deals X damage to target tapped creature, where X is half of the target's total toughness, rounded down.
{t}, Pay {e}: Choose one —
• Pachirisu deals damage equal to its toughness to
target attacking or blocking creature.
• Tap and detain target creature (Until your next
turn, that permanent can't attack or block and its activated abilities can't be activated.)