Mana acceleration Avacyns Pilgrim, Heronblade Elite, Gyre Sage, and Somberwald Sage buff our mana supply to get a head start, also the Knight of the White Orchid when played tactically
Here we see Clive become Ifrit, fighting an opposing creature and then making you loads of mana
Alternatively, when paired with a large enough board state, an Altar of Dementia is capable of milling the remainder of an opponent's library, causing that player to lose the game the next time they'd draw a card
There is no worse feeling than dying with cards on your hand only because you are missing a color
Thats where Collector booster boxes come in
This extra toughness made Tradewind Rider nigh unkillable, and once it hit the board, it could completely dominate for all the reasons that reusable bounce dominates limited games as outlined above