blue ramp cards mtg The Top Non-Green in Commander Card is still a banger

There are numerous enchantments that synergize well with Ertai's ability, such as Dreadhorde Invasion, which consistently supplies creatures to sacrifice to Ertai's ability

They both also synergize nicely with Miirym, Sentinel Wyrm and Reflections of Littjara (which is already included in the deck), as you'll get activations off both your original creature and their clone

But this cannot be stopped, so it's a win con on the second turn, quite powerful to get down prior to Counterspell coming online if you went first, and then a force of nature

If a land you control is simply put onto the battlefield tapped without a replacement effect being applied, it always enters untapped if you control Horizon Explorer