Troll and Toad
Result: Infinite mana, infinite enters/death/sacrifice triggers, infinite Treasure
The total power of the attacking Phyrexians is checked twice: first, as the ability triggers to determine what can legally be targeted
Oracle Changes Alrund, God of the Cosmos Alrund, God of the Cosmos, ruler of all that is, was accidentally printed without the words "revealed this way." Taken literally, you would put all cards of the chosen type into your hand
This isn't a problem for properly tuned decks that put money into their manabases, but it would be annoying if the preconstructed decks stumbled to cast them
Since earthbending creates an ability to recur the land, you can sacrifice it to Zuran OrbZuran Orb or another outlet, and then return it and earthbend it again due to Haru and Retreat to Emeria