mtg black proliferate cards Staff of Compleation - Oil Slick Foil Extended Art Top 10 Proliferate Cards in

When Hostage Taker enters the battlefield, exile another target creature or artifact until Hostage Taker leaves the battlefield

Frankly, paper card legality likely wont be a concern for for some time, and if this problem does arise, Magic has time to respond

While trample doesnt technically make a creature unblockable, it does change the math on blocking enough that tramplers will often deal their full damage to players as if they werent blocked

This means if the host is destroyed, the creature with augment stays in your hand

On top of greens already solid ramp, there are lots of cards like Marwyn, the Nurturer, Gyre Sage and Rishkar, Peema Renegade that work with this theme specifically to make dizzying amounts of mana