Koskun Falls [Homelands]Set: Homelands Type: World Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep, sacrifice Koskun Falls unless you tap an untapped creature you control. Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

you may pay 2 life

Barrin is the teacher who trained the young Ertai

where X is that creature's power

If this spell was kicked

Set: Eighth Edition Type: Land Rarity: Rare Whenever City of Brass becomes tapped

put that card into your graveyard

exile equipped creature

Set: Kaladesh Prerelease Promos Type: Enchantment Rarity: Mythic Cost: {3}{U}{U} Whenever you cast an instant or sorcery spell

Set: The Dark Type: Enchantment Rarity: Rare Cost: {B}{B}{B} At the beginning of your upkeep

and of renown: but mysteries are revealed unto the meek

When you control no lands

do his seeds take root