Tithe

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards and put them into your hand. Then shuffle your library.

Man-o’-War

When Man-o’-War enters the battlefield, return target creature to its owner’s hand.

Man-o’-War

When Man-o’-War enters the battlefield, return target creature to its owner’s hand.

Fog Elemental

Flying (This creature can’t be blocked except by creatures with flying or reach.)
When Fog Elemental attacks or blocks, sacrifice it at end of combat.

Tithe

Search your library for a Plains card. If target opponent controls more lands than you, you may search your library for an additional Plains card. Reveal those cards and put them into your hand. Then shuffle your library.

Man-o’-War

When Man-o’-War enters the battlefield, return target creature to its owner’s hand.

Rowen

Reveal the first card you draw each turn. Whenever you reveal a basic land card this way, draw a card.