There are 14,128 Copters registered over at EDHREC.com which is a ton
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You only untap one creature, but thats plenty exploitable with cards like The Infamous Cruelclaw, Roxanne, Starfall Savant, and any other creatures with valuable saboteur or attack triggers you want to get multiple times a turn
The activation on the Saffi-like ability, now extended to artifacts as well, is exiling Melira
6 Choco, Seeker of Paradise Helps You Stack Mana And Thin Your Deck Choco Can Drop Multiple Lands From The Top Of Your Deck Each Turn Choco, Seeker of Paradise works well because it can help with mana ramp, fix your draws, or just deal some serious damage