Choco, Seeker of Paradise rewards you simply for declaring attacks with Birds: even if those 1/1 flyers get blocked or dont deal damage, you still look at that many cards and gain value
Another popular condition often used is Pack Fresh, this basically means that the card is completely clean of whitening or any other defect and is in a condition above the Mint state, often in the condition for a PSA/CGC/BGS Gem Mint 10.
The combination struggles against sacrifice effects, mass removal, and decks that go over the top with even bigger threats
Horned Loch-Whale While certainly not a format staple, the Horned Loch-Whale is a powerful option for control decks and a key part of Greg Oranges Worlds Top 8 Bant Control Deck
Act of Aggression is technically CMC 5, but in reality, it is a colorless CMC 3 instant that does 4 damage to you, pay or to prevent 2 or 4 damage
If you cast a spell for which mana of any color can be spent to cast it, you may cast it for Fist of Suns's alternative cost and still spend any color of mana to cover that cost
