mtg kaalia of the vast commander deck or Dragon creature card from your hand onto the battlefield tapped and attacking that opponent. Kaalia of the Vast Commander

Kaya's Guile

But instead of dorky triggers like a +1/+1 counter or gaining a keyword for a turn, this does something very intriguing

10/04/04 The ability is a land type change effect so it is ordered along with other land type change effects in the order they entered the battlefield

You want 1 or 2 Venerated Rotpriests in play, because their ability stacks

They stand out through strong tribal support, consistent performance across games, and long-term enjoyment over dozens of Commander nights

I revisited Card Kingdoms buylist for Ikoria cards (focusing on only standard printings for the moment) and sorted by buy price, high to low