Land
~this~ enters the battlefield tapped.
1, Discard a card, T, sacrifice ~this~: each player may search his or her library for up to three land cards and put them into hand. Each player who searched his or her library this way shuffles it.
T: add G to your mana pool
instant spells cost any player up to 3 less to cast
Whenever one or more creatures becomes blocked by one or more creatures, put a speed counter on target permanent
When ~this~ enters the battlefield, you may Tap an untapped nonlegendary permanent you control. If you don't, put a speed counter on target artifact
(B/G)(B/G): each artifact with a speed counter on it gains protection from white until end of turn

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AlexChurchill/TypeFourLandGenerator