Ratadrabik of Urborg | Boonweaver Giant | In Bolas's Clutches (and one other card)

Cards

Activate
Bartolomé del Presidio by sacrificing
Boonweaver Giant.
When
Boonweaver Giant dies as a legendary creature due to
In Bolas's Clutches,
Ratadrabik of Urborg triggers, creating a token copy of
Boonweaver Giant that is a 2/2 Zombie in addition to its other types.
When the
Boonweaver Giant token enters the battlefield, it triggers, returning
In Bolas's Clutches from your graveyard to the battlefield attached to the token.
Resolve the
Bartolomé del Presidio ability, putting a +1/+1 counter on it.
Repeat.

This combo has been estimated to be Exhibition (Bracket 1+).