In this rule

Historical Rules · 7 February 2025

Rule 701.47a

Official source text from the 7 February 2025 Rules release

Permalink

Certain abilities instruct a permanent to connive. To do so, that permanent’s controller draws a card, then discards a card. If a nonland card is discarded this way, that player puts a +1/+1 counter on the conniving permanent.

Find this number in the current Rules