Ramp + huge draw spell late game Archenemys Charm Difficult to cast, but great charm where all the effects are good but are ideal in a card with multiple modes
You can increase their power with cards like Loxodon Warhammer, help to protect them with Swiftfoot Boots, and even gain some value with Mask of Memory
Three to equip is too slow for most formats, but Viridian Longbow shines in the Pauper format, where it frequently makes appearances in elf decks
Armageddon (2004) Armageddon is a classic card
Sorcery Color tag templates(None) Minions' Murmurs You draw X cards and you lose X life, where X is the number of creatures you control
While these are some of the best attack triggers, this category has enough support Im sure I missed a good one or two