 | | Card name : | Sentry Oak | | Mana Cost : |   | | Types : | Creature - Treefolk Warrior | | Card Text : | Defender
At the beginning of combat on your turn, you may clash with an opponent. If you win, Sentry Oak gets +2/+0 and loses defender until end of turn. (Each clashing player reveals the top card of his or her library, then puts that card on the top or bottom. A player wins if his or her card had a higher converted mana cost.) | | P/T : | 3 / 5 | | Expansion : |  Lorwyn | | Rarity : | Uncommon |
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