{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you."
When Obstinate Baloth enters, you gain 4 life. If a spell or ability an opponent controls causes you to discard Obstinate Baloth, put it onto the battlefield instead of putting it into your graveyard.
When Obzedat, Ghost Council enters, target opponent loses 2 life and you gain 2 life. At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste.
Flip a coin. If it comes up heads, counter target instant or sorcery spell. If it comes up tails, copy that spell and you may choose new targets for the copy.
First strike Whenever Odric, Master Tactician and at least three other creatures attack, you choose which creatures block this combat and how those creatures block.
When Odunos River Trawler enters, return target enchantment creature card from your graveyard to your hand. {W}, Sacrifice Odunos River Trawler: Return target enchantment creature card from your graveyard to your hand.
Whenever Ogre Geargrabber attacks, gain control of target Equipment an opponent controls until end of turn. Attach it to Ogre Geargrabber. When you lose control of that Equipment, unattach it.
Whenever Ogre Marauder attacks, it gains "Ogre Marauder can't be blocked" until end of turn unless defending player sacrifices a creature of their choice.
Once freed, the oni demanded more and more sacrifices to appease them. The ogres happily obliged.
Whenever a player casts a spell, tap Ogre Recluse.
"Those ogres who did not embrace oni worship were cast out, cursed, and forced into hermitage, waiting for the day the oni would come for them." —The History of Kamigawa