Land
Discard a card, T: add R to your mana pool for each Dragon on the battlefield
3R: two target attacking or blocking artifact creatures get +4/+0 until end of turn

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(B/R)(B/R)
Enchantment
Whenever a creature is put into a graveyard from the battlefield, put a doom counter on ~this~
Discard a instant card, remove any number of doom counters from ~this~: target player draws that many cards

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RR
Creature - Human Shaman (1/3)
When ~this~ leaves the battlefield, you may pay 3. If you don't, ~this~ deals 4 damage to target Golem

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AlexChurchill/MagicCardGenerator